diff --git a/android/examples/Topics/File IO/TileImages/TileImages.pde b/android/examples/Topics/File IO/TileImages/TileImages.pde
index 7b266570c..d577e275e 100644
--- a/android/examples/Topics/File IO/TileImages/TileImages.pde	
+++ b/android/examples/Topics/File IO/TileImages/TileImages.pde	
@@ -1,7 +1,7 @@
 /**
  * Tile Images
- * 
- * Draws an image larger than the screen by tiling it into small sections.
+ *
+ * Draws an image larger than the screen, and saves the image as six tiles.
  * The scaleValue variable sets amount of scaling: 1 is 100%, 2 is 200%, etc.
  */
 
@@ -9,31 +9,29 @@ int scaleValue = 3;  // Multiplication factor
 int xoffset = 0;     // x-axis offset
 int yoffset = 0;     // y-axis offset
 
-void setup() 
-{
+void setup() {
   size(600, 600);
   stroke(0, 100);
 }
 
-void draw() 
-{
+void draw() {
+  background(204);
   scale(scaleValue);
-  translate(xoffset *(-width / scaleValue), yoffset *(-height / scaleValue));
+  translate(xoffset * (-width / scaleValue), yoffset * (-height / scaleValue));
   line(10, 150, 500, 50);
   line(0, 600, 600, 0);
+  save("lines-" + yoffset + "-" + xoffset + ".png");
   setOffset();
 }
 
-void setOffset() 
-{
-  save("lines-" + xoffset + "-" + yoffset + ".jpg");
+void setOffset() {
   xoffset++;
   if (xoffset == scaleValue) {
     xoffset = 0;
     yoffset++;
     if (yoffset == scaleValue) {
+      println("Tiles saved.");
       exit();
     }
   }
-  background(204);
-}
+}
\ No newline at end of file
diff --git a/java/examples/Books/Processing Handbook/Extensions/Mobile/Ex_01/Ex_01.pde b/java/examples/Books/Processing Handbook/Extensions/Mobile/Ex_01/Ex_01.pde
index 2e1c732d9..160fa2647 100755
--- a/java/examples/Books/Processing Handbook/Extensions/Mobile/Ex_01/Ex_01.pde	
+++ b/java/examples/Books/Processing Handbook/Extensions/Mobile/Ex_01/Ex_01.pde	
@@ -5,6 +5,6 @@ PImage img = loadImage("sprite.png");
 // The coordinates (0, 0) refer to the top-left corder of the screen
 image(img, 0, 0);
 // The following coordinate calculations will center the image in the screen
-image(img, (width – img.width) / 2, (height – img.height) / 2);
+image(img, (width - img.width) / 2, (height - img.height) / 2);
 // Finally, the next line will position the image in the bottom-right corner
-image(img, width – img.width, height – img.height);
\ No newline at end of file
+image(img, width - img.width, height - img.height);
\ No newline at end of file
diff --git a/java/examples/Books/Processing Handbook/Illustrations/page_278/page_278.pde b/java/examples/Books/Processing Handbook/Illustrations/page_278/page_278.pde
index 46869d576..fbe77b1b6 100755
--- a/java/examples/Books/Processing Handbook/Illustrations/page_278/page_278.pde	
+++ b/java/examples/Books/Processing Handbook/Illustrations/page_278/page_278.pde	
@@ -9,10 +9,10 @@ void setup() {
   //size(200, 200);
   smooth();
   noStroke();
-  ellipseMode(CENTER_RADIUS);
+  ellipseMode(RADIUS);
   randomSeed(0);
   for(int i=0; i<sps.length; i++) {
-    sps[i] = new Spot();  
+    sps[i] = new Spot();
   }
 }
 
@@ -21,12 +21,12 @@ void draw() {
   rect(0, 0, width, height);
   fill(0);
   for(int i=0; i<sps.length; i++) {
-    sps[i].updateDisplay();  
+    sps[i].updateDisplay();
   }
 }
 
 void mousePressed() {
-  save("page_278.tif"); 
+  save("page_278.tif");
 }
 
 
@@ -46,18 +46,18 @@ class Spot {
     if (r < .25) {
       directionX = 1;
       directionY = 1;
-    } 
+    }
     else if (r < .5) {
       directionX = -1;
-      directionY = 1;    
-    } 
+      directionY = 1;
+    }
     else if (r < .75) {
       directionX = 1;
-      directionY = -1;    
-    } 
+      directionY = -1;
+    }
     else {
       directionX = -1;
-      directionY = -1;    
+      directionY = -1;
     }
   }
 
diff --git a/java/examples/Books/Processing Handbook/Illustrations/page_290/page_290.pde b/java/examples/Books/Processing Handbook/Illustrations/page_290/page_290.pde
index 6840533b2..1234f6316 100755
--- a/java/examples/Books/Processing Handbook/Illustrations/page_290/page_290.pde	
+++ b/java/examples/Books/Processing Handbook/Illustrations/page_290/page_290.pde	
@@ -1,6 +1,7 @@
 
 // Based on code 32-07 (p. 297)
 
+import processing.pdf.*;
 
 float inc = 0.0;
 
@@ -12,11 +13,11 @@ void setup() {
 }
 
 void draw() {
-  
+
   if(record) {
     beginRecord(PDF, "page_290.pdf");
   }
-  
+
   stroke(0, 143);
   randomSeed(0);
   background(255);
@@ -33,12 +34,12 @@ void draw() {
     tail(i, 300, int(random(5, 12)), angle*random(1.0, 1.3));
     tail(i, 400, int(random(5, 12)), -angle*random(1.0, 1.3));
   }
-  
+
   if(record) {
     endRecord();
-    record = false; 
+    record = false;
   }
-  
+
 }
 
 void mousePressed() {
diff --git a/java/examples/Books/Processing Handbook/Illustrations/page_300/page_300.pde b/java/examples/Books/Processing Handbook/Illustrations/page_300/page_300.pde
index f24c0ecf0..f223d90e7 100755
--- a/java/examples/Books/Processing Handbook/Illustrations/page_300/page_300.pde	
+++ b/java/examples/Books/Processing Handbook/Illustrations/page_300/page_300.pde	
@@ -1,6 +1,7 @@
 
 // Based on code 33-14 (p. 307)
 
+import processing.pdf.*;
 
 float inc = 0.0;
 
@@ -17,7 +18,7 @@ void setup() {
   size(180, 666);
   smooth();
   noFill();
-  strokeWeight(0.25);  
+  strokeWeight(0.25);
   y = new float[height];
   x = new float[height];
 
@@ -32,9 +33,9 @@ void draw() {
   background(255);
 
   // Shift the values to the right
-  for (int i = y.length-1; i > 0; i--) { 
+  for (int i = y.length-1; i > 0; i--) {
     y[i] = y[i-1];
-  } 
+  }
   // Add new values to the beginning
   my += (mouseX-my) * 0.1;
   y[0] = my;
@@ -46,9 +47,9 @@ void draw() {
   endShape();
 
   // Shift the values to the right
-  for (int i = x.length-1; i > 0; i--) { 
+  for (int i = x.length-1; i > 0; i--) {
     x[i] = x[i-1];
-  } 
+  }
   // Add new values to the beginning
   mx += (mouseY-mx) * 0.1;
   x[0] = mx;
@@ -62,7 +63,7 @@ void draw() {
 
   if(record) {
     endRecord();
-    record = false; 
+    record = false;
   }
 
 }
diff --git a/java/examples/Books/Processing Handbook/Illustrations/page_420/page_420.pde b/java/examples/Books/Processing Handbook/Illustrations/page_420/page_420.pde
index 3010bc637..ecdc57fd3 100755
--- a/java/examples/Books/Processing Handbook/Illustrations/page_420/page_420.pde	
+++ b/java/examples/Books/Processing Handbook/Illustrations/page_420/page_420.pde	
@@ -1,9 +1,10 @@
 
 // Based on code 45-04 (p. 424)
 
+import processing.pdf.*;
 
 void setup() {
-  size(513, 666); 
+  size(513, 666);
 }
 
 void draw() {
@@ -11,17 +12,17 @@ void draw() {
     point(mouseX, mouseY);
     println("hi");
   }
-} 
+}
 
 void mousePressed() {
-  beginRecord(PDF, "page_420.pdf"); 
+  beginRecord(PDF, "page_420.pdf");
   background(255);
   stroke(0);
   strokeCap(ROUND);
 }
 
 void mouseReleased() {
-  endRecord(); 
+  endRecord();
 }
 
 
diff --git a/java/examples/Demos/Performance/CubicGridRetained/CubicGridRetained.pde b/java/examples/Demos/Performance/CubicGridRetained/CubicGridRetained.pde
index 1e833810b..70906fbde 100644
--- a/java/examples/Demos/Performance/CubicGridRetained/CubicGridRetained.pde
+++ b/java/examples/Demos/Performance/CubicGridRetained/CubicGridRetained.pde
@@ -1,3 +1,8 @@
+/* CubicGridRetained
+ *
+ * You may need to increase the maximum available memory in the
+ * Processing preferences menu.
+*/
 float boxSize = 20;
 float margin = boxSize*2;
 float depth = 400;
@@ -14,16 +19,16 @@ void setup() {
   frameRate(60);
   noSmooth();
   noStroke();
-  
+
   grid = createShape(GROUP);
-    
-  // Build grid using multiple translations 
+
+  // Build grid using multiple translations
   for (float i =- depth/2+margin; i <= depth/2-margin; i += boxSize){
     for (float j =- height+margin; j <= height-margin; j += boxSize){
       for (float k =- width+margin; k <= width-margin; k += boxSize){
-        // Base fill color on counter values, abs function 
+        // Base fill color on counter values, abs function
         // ensures values stay within legal range
-        boxFill = color(abs(i), abs(j), abs(k), 50);        
+        boxFill = color(abs(i), abs(j), abs(k), 50);
         PShape cube = createShape(BOX, boxSize, boxSize, boxSize);
         cube.setFill(boxFill);
         cube.translate(k, j, i);
@@ -35,9 +40,9 @@ void setup() {
 
 void draw() {
   background(255);
-  
+
   hint(DISABLE_DEPTH_TEST);
-  
+
   // Center and spin grid
   pushMatrix();
   translate(width/2, height/2, -depth);
@@ -46,17 +51,17 @@ void draw() {
 
   shape(grid);
   popMatrix();
-  
+
   hint(ENABLE_DEPTH_TEST);
-  
+
   fcount += 1;
   int m = millis();
   if (m - lastm > 1000 * fint) {
     frate = float(fcount) / fint;
     fcount = 0;
     lastm = m;
-    println("fps: " + frate); 
-  } 
+    println("fps: " + frate);
+  }
   fill(0);
   text("fps: " + frate, 10, 20);
 }
diff --git a/java/examples/Topics/File IO/TileImages/TileImages.pde b/java/examples/Topics/File IO/TileImages/TileImages.pde
index 00af7c634..d577e275e 100644
--- a/java/examples/Topics/File IO/TileImages/TileImages.pde	
+++ b/java/examples/Topics/File IO/TileImages/TileImages.pde	
@@ -1,7 +1,7 @@
 /**
  * Tile Images
- * 
- * Draws an image larger than the screen by tiling it into small sections.
+ *
+ * Draws an image larger than the screen, and saves the image as six tiles.
  * The scaleValue variable sets amount of scaling: 1 is 100%, 2 is 200%, etc.
  */
 
@@ -15,22 +15,23 @@ void setup() {
 }
 
 void draw() {
+  background(204);
   scale(scaleValue);
-  translate(xoffset *(-width / scaleValue), yoffset *(-height / scaleValue));
+  translate(xoffset * (-width / scaleValue), yoffset * (-height / scaleValue));
   line(10, 150, 500, 50);
   line(0, 600, 600, 0);
+  save("lines-" + yoffset + "-" + xoffset + ".png");
   setOffset();
 }
 
 void setOffset() {
-  save("lines-" + xoffset + "-" + yoffset + ".png");
   xoffset++;
   if (xoffset == scaleValue) {
     xoffset = 0;
     yoffset++;
     if (yoffset == scaleValue) {
+      println("Tiles saved.");
       exit();
     }
   }
-  background(204);
-}
+}
\ No newline at end of file