moving getting started to the books subfolder

java/examples/Books/Getting Started/Chapter07/Ex_07_04/Ex_07_04.pde

@@ -0,0 +1,22 @@
+// Example 07-04 from "Getting Started with Processing" 
+// by Reas & Fry. O'Reilly / Make 2010
+
+int radius = 40;
+float x = -radius;
+float speed = 0.5;
+
+void setup() {
+  size(240, 120);
+  smooth();
+  ellipseMode(RADIUS);
+}
+
+void draw() {
+  background(0);
+  x += speed;  // Increase the value of x
+  if (x > width+radius) {  // If the shape is off screen
+    x = -radius;  // move to the left edge
+  }
+  arc(x, 60, radius, radius, 0.52, 5.76);
+}
+