1    /* 
2    2  * Program in which (a) the number of concentric squares will be read from a 
3    3  * dialog box, (b) two random colors will be chosen, (c) canvas is 800x800 and 
4    4  * the largest square is 700x700. 
5    5  */
6    package npw;
7    import painter.SPainter;
8    import shapes.SSquare;
9    
10   import java.awt.*;
11   
12   public class Stella {
13   
14       private static Color randomColor() {
15           int rv = (int) (Math.random() * 256);
16           int gv = (int) (Math.random() * 256);
17           int bv = (int) (Math.random() * 256);
18           return new Color(rv, gv, bv);
19             }
20   
21       public static void main(String[] args) {
22           // create the objects to think with
23           SPainter miro = new SPainter("Stella", 800, 800);
24           SSquare square = new SSquare(700);
25   
26           int x = 0;
27           boolean color = true;
28           Color color1 = randomColor();
29           Color color2 = randomColor();
30           while (x <= 10) {
31               square.shrink(50);
32               if (color == true) {
33                   miro.setColor(color1);
34                   miro.paint(square);
35                   color = false;
36               } else if (color == false) {
37                   miro.setColor(color2);
38                   miro.paint(square);
39                   color = true;
40               }
41   
42               x = x + 1;
43           }
44   
45       }
46   
47   }
48   
49