diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_10/_10.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_10/Ex_10.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_10/_10.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_10/Ex_10.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_11/_11.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_11/Ex_11.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_11/_11.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_11/Ex_11.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_12/_12.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_12/Ex_12.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_12/_12.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_12/Ex_12.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_13/_13.pde b/java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_13/Ex_13.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/_13/_13.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/31 Motion 1/Ex_13/Ex_13.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/32 Motion 2/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_10/_10.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_10/Ex_10.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_10/_10.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_10/Ex_10.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_11/_11.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_11/Ex_11.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_11/_11.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_11/Ex_11.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_12/_12.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_12/Ex_12.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_12/_12.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_12/Ex_12.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_13/_13.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_13/Ex_13.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_13/_13.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_13/Ex_13.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_14/_14.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_14/Ex_14.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_14/_14.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_14/Ex_14.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_15/_15.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_15/Ex_15.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_15/_15.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_15/Ex_15.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_16/_16.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_16/Ex_16.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_16/_16.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_16/Ex_16.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_17/_17.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_17/Ex_17.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_17/_17.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_17/Ex_17.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_18/_18.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_18/Ex_18.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_18/_18.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_18/Ex_18.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_19/_19.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_19/Ex_19.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_19/_19.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_19/Ex_19.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_20/_20.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_20/Ex_20.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_20/_20.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_20/Ex_20.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_21/_21.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_21/Ex_21.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_21/_21.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_21/Ex_21.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_22/_22.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_22/Ex_22.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_22/_22.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_22/Ex_22.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_23/_23.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_23/Ex_23.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_23/_23.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_23/Ex_23.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_24/_24.pde b/java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_24/Ex_24.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/_24/_24.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/33 Data 4/Ex_24/Ex_24.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-000.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-000.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-000.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-000.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-001.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-001.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-001.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-001.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-002.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-002.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-002.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-002.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-003.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-003.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-003.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-003.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-004.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-004.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-004.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-004.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-005.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-005.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-005.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-005.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-006.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-006.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-006.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-006.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-007.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-007.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-007.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-007.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-008.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-008.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-008.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-008.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-009.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-009.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-009.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-009.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-010.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-010.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-010.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-010.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-011.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-011.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_01/data/ani-011.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_01/data/ani-011.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-000.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-000.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-000.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-000.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-001.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-001.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-001.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-001.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-002.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-002.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-002.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-002.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-003.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-003.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-003.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-003.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-004.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-004.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-004.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-004.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-005.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-005.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-005.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-005.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-006.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-006.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-006.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-006.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-007.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-007.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-007.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-007.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-008.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-008.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-008.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-008.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-009.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-009.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-009.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-009.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-010.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-010.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-010.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-010.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-011.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-011.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_02/data/ani-011.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_02/data/ani-011.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-000.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-000.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-000.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-000.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-001.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-001.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-001.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-001.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-002.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-002.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-002.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-002.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-003.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-003.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-003.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-003.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-004.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-004.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-004.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-004.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-005.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-005.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-005.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-005.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-006.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-006.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-006.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-006.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-007.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-007.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-007.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-007.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-008.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-008.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-008.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-008.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-009.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-009.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-009.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-009.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-010.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-010.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-010.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-010.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-011.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-011.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_03/data/ani-011.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_03/data/ani-011.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-000.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-000.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-000.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-000.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-001.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-001.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-001.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-001.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-002.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-002.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-002.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-002.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-003.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-003.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-003.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-003.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-004.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-004.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-004.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-004.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-005.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-005.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-005.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-005.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-006.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-006.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-006.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-006.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-007.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-007.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-007.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-007.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-008.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-008.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-008.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-008.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-009.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-009.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-009.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-009.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-010.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-010.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-010.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-010.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-011.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-011.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_04/data/ani-011.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_04/data/ani-011.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_05/data/PT-Shifty-0020.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_05/data/PT-Shifty-0020.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_05/data/PT-Shifty-0020.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_05/data/PT-Shifty-0020.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_06/data/PT-Shifty-0023.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_06/data/PT-Shifty-0023.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_06/data/PT-Shifty-0023.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_06/data/PT-Shifty-0023.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_07/data/PT-Teddy-0017.gif b/java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_07/data/PT-Teddy-0017.gif
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/_07/data/PT-Teddy-0017.gif
rename to java/examples/Books/Processing Handbook/Units 31-42/34 Image 2/Ex_07/data/PT-Teddy-0017.gif
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_10/_10.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_10/Ex_10.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_10/_10.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_10/Ex_10.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_11/_11.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_11/Ex_11.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_11/_11.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_11/Ex_11.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_12/_12.pde b/java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_12/Ex_12.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/_12/_12.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/35 Image 3/Ex_12/Ex_12.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_01/data/Eureka-48.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_01/data/Eureka-48.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_01/data/Eureka-48.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_01/data/Eureka-48.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_02/data/Eureka-48.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_02/data/Eureka-48.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_02/data/Eureka-48.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_02/data/Eureka-48.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_03/data/Eureka-48.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_03/data/Eureka-48.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_03/data/Eureka-48.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_03/data/Eureka-48.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_04/data/EurekaSmallCaps-36.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_04/data/EurekaSmallCaps-36.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_04/data/EurekaSmallCaps-36.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_04/data/EurekaSmallCaps-36.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_05/data/Eureka-90.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_05/data/Eureka-90.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_05/data/Eureka-90.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_05/data/Eureka-90.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_06/data/Eureka-32.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_06/data/Eureka-32.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_06/data/Eureka-32.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_06/data/Eureka-32.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_07/data/EurekaMono-48.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_07/data/EurekaMono-48.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_07/data/EurekaMono-48.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_07/data/EurekaMono-48.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_08/data/EurekaSmallCaps-36.vlw b/java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_08/data/EurekaSmallCaps-36.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/_08/data/EurekaSmallCaps-36.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/36 Typography 2/Ex_08/data/EurekaSmallCaps-36.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_01/data/Eureka-24.vlw b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_01/data/Eureka-24.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_01/data/Eureka-24.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_01/data/Eureka-24.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_02/data/Eureka-24.vlw b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_02/data/Eureka-24.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_02/data/Eureka-24.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_02/data/Eureka-24.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_03/data/Eureka-24.vlw b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_03/data/Eureka-24.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_03/data/Eureka-24.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_03/data/Eureka-24.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_04/data/Eureka-48.vlw b/java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_04/data/Eureka-48.vlw
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/_04/data/Eureka-48.vlw
rename to java/examples/Books/Processing Handbook/Units 31-42/37 Typography 3/Ex_04/data/Eureka-48.vlw
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_10/_10.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_10/Ex_10.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_10/_10.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_10/Ex_10.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_11/_11.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_11/Ex_11.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_11/_11.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_11/Ex_11.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_12/_12.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_12/Ex_12.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_12/_12.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_12/Ex_12.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_13/_13.pde b/java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_13/Ex_13.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/_13/_13.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/38 Color 2/Ex_13/Ex_13.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_10/_10.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_10/Ex_10.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_10/_10.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_10/Ex_10.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_11/_11.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_11/Ex_11.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_11/_11.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_11/Ex_11.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_12/_12.pde b/java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_12/Ex_12.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/_12/_12.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/39 Image 4/Ex_12/Ex_12.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_06/Ex_06.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_07/_07.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_07/Ex_07.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_07/_07.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_07/Ex_07.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_08/_08.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_08/Ex_08.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_08/_08.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_08/Ex_08.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_09/_09.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_09/Ex_09.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_09/_09.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_09/Ex_09.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_10/_10.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_10/Ex_10.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_10/_10.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_10/Ex_10.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_11/_11.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_11/Ex_11.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_11/_11.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_11/Ex_11.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_12/_12.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_12/Ex_12.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_12/_12.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_12/Ex_12.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_13/_13.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_13/Ex_13.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_13/_13.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_13/Ex_13.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_14/_14.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_14/Ex_14.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_14/_14.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_14/Ex_14.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_15/_15.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_15/Ex_15.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_15/_15.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_15/Ex_15.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_16/_16.pde b/java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_16/Ex_16.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/_16/_16.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/40 Image 5/Ex_16/Ex_16.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_01/_01.pde b/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_01/Ex_01.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_01/_01.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_01/Ex_01.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_02/_02.pde b/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_02/Ex_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_02/_02.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_02/Ex_02.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_03/_03.pde b/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_03/Ex_03.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_03/_03.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_03/Ex_03.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_04/_04.pde b/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_04/Ex_04.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_04/_04.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_04/Ex_04.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_05/_05.pde b/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_05/Ex_05.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_05/_05.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_05/Ex_05.pde
diff --git a/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_06/_06.pde b/java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_06/Ex_06.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/_06/_06.pde
rename to java/examples/Books/Processing Handbook/Units 31-42/41 Output 1/Ex_06/Ex_06.pde