java/examples/Basics/Color/Brightness/Brightness.pde

@@ -4,8 +4,6 @@
  * 
  * Brightness is the relative lightness or darkness of a color.
  * Move the cursor vertically over each bar to alter its brightness. 
- * 
- * Updated 28 February 2010.
  */
  
 int barWidth = 20;

java/examples/Basics/Control/Conditionals2/Conditionals2.pde

@@ -1,9 +1,9 @@
 /**
  * Conditionals 2. 
  * 
- * We extend the language of conditionals by adding the 
- * keyword "else". This allows conditionals to ask 
- * two or more sequential questions, each with a different
+ * We extend the language of conditionals from the previous
+ * example by adding the keyword "else". This allows conditionals 
+ * to ask two or more sequential questions, each with a different
  * action. 
  */
  
@@ -11,14 +11,16 @@ size(640, 360);
 background(0);
 
 for(int i = 2; i < width-2; i += 2) {
-  // If 'i' divides by 20 with no remainder 
-  // draw the first line else draw the second line
+  // If 'i' divides by 20 with no remainder
   if((i % 20) == 0) {
     stroke(255);
     line(i, 80, i, height/2);
+  // If 'i' divides by 10 with no remainder
   } else if ((i % 10) == 0) {
     stroke(153);
     line(i, 20, i, 180); 
+  // If neither of the above two conditions are met
+  // then draw this line
   } else {  
     stroke(102);
     line(i, height/2, i, height-20);

java/examples/Basics/Data/Variables/Variables.pde

@@ -1,23 +1,25 @@
 /**
  * Variables. 
  * 
- * Variables are used for storing values. In this example, changing 
- * the values of variables 'a' and 'b' significantly change the composition. 
+ * Variables are used for storing values. In this example, change 
+ * the values of variables 'a' and 'b' to affect the composition. 
  */
  
-size(200, 200);
+size(640, 360);
 background(0);
 stroke(153);
+strokeWeight(2);
+
+int a = 60;
+int b = 100;
+int c = 200;
+int d = 120;
+
+line(a, b, a+c, b);
+
+a += 100;
+b += 50;
+line(a, b, a+c, b);
+
 
-int a = 20;
-int b = 50;
-int c = a*8;
-int d = a*9;
-int e = b-a;
-int f = b*2;
-int g = f+e;
 
-line(a, f, b, g);
-line(b, e, b, g);
-line(b, e, d, c);
-line(a, e, d-e, c);