scg/ch03/CircleTarget03

01 packagepackage is used to name the directory or folder a class is in scg.ch03;
02 
03 importimport means to make the classes and/or packages available in this program fang2.core.Game;
04 importimport means to make the classes and/or packages available in this program fang2.sprites.OvalSprite;
05 
06 /** A sample program drawing five concentric circles. */
07 publicpublic is used to indicate unrestricted access (any other class can have access) classclass is a group of fields and methods used for making objects CircleTarget03
08   extendsextends means to customize or extend the functionality of a class Game {open braces start code blocks and must be matched with a close brace
09   /**
10    * Create, color, and draw five circles centered at the center of
11    * the screen. Add to the game in largest to smallest order.
12    */
13   @Override
14   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value setup() {open braces start code blocks and must be matched with a close brace
15     OvalSprite five =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor OvalSprite(0.5, 0.5);
16     five.setColor(getColor("gold"));
17     five.setLocation(0.5, 0.5);
18     addSprite(five);
19 
20     OvalSprite four =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor OvalSprite(0.4, 0.4);
21     four.setColor(getColor("blue"));
22     four.setLocation(0.5, 0.5);
23     addSprite(four);
24 
25     OvalSprite three =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor OvalSprite(0.3, 0.3);
26     three.setColor(getColor("gold"));
27     three.setLocation(0.5, 0.5);
28     addSprite(three);
29 
30     OvalSprite two =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor OvalSprite(0.2, 0.2);
31     two.setColor(getColor("blue"));
32     two.setLocation(0.5, 0.5);
33     addSprite(two);
34 
35     OvalSprite one =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor OvalSprite(0.1, 0.1);
36     one.setColor(getColor("gold"));
37     one.setLocation(0.5, 0.5);
38     addSprite(one);
39   }close braces end code blocks and must match an earlier open brace
40 }close braces end code blocks and must match an earlier open brace
41 
42 //Uploaded on Mon Mar 29 21:41:05 EDT 2010