jam/ButtonExample

01 packagepackage is used to name the directory or folder a class is in jam;
02 
03 importimport means to make the classes and/or packages available in this program fang.*;
04 importimport means to make the classes and/or packages available in this program java.awt.*;
05 importimport means to make the classes and/or packages available in this program java.awt.geom.*;
06 
07 /**
08  * All about my game.
09  * @authorthis is the Javadoc tag for documenting who created the source code My Name Here
10  */
11 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 ButtonExample extendsextends means to customize or extend the functionality of a class Game
12 {open braces start code blocks and must be matched with a close brace
13   /**an oval*/
14   privateprivate is used to restrict access to the current class only OvalSprite oval;
15   /**button to make red*/
16   privateprivate is used to restrict access to the current class only ButtonSprite redButton;
17   /**button to make white*/
18   privateprivate is used to restrict access to the current class only ButtonSprite whiteButton;
19 
20   /**sets up the game*/
21   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value setup()
22   {open braces start code blocks and must be matched with a close brace
23     makeSprites();
24     addSprites();
25   }close braces end code blocks and must match an earlier open brace
26 
27   /**makes the sprites*/
28   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value makeSprites()
29   {open braces start code blocks and must be matched with a close brace
30     redButton=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor ButtonSprite("Make Red");
31     redButton.setSize(0.5);
32     redButton.setLocation(0.25, 0.8);
33     redButton.enable(thisthis means the current object (the implicit parameter));
34     redButton.addTimedAction(newnew is used to create objects by calling the constructor RedChanger());
35 
36     whiteButton=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor ButtonSprite("Make White");
37     whiteButton.setSize(0.5);
38     whiteButton.setLocation(0.75, 0.8);
39     whiteButton.enable(thisthis means the current object (the implicit parameter));
40     whiteButton.addTimedAction(newnew is used to create objects by calling the constructor WhiteChanger());
41 
42     oval=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor OvalSprite(0.5, 0.5);
43     oval.setLocation(0.5, 0.3);
44     oval.setColor(Palette.getColor("white"));
45   }close braces end code blocks and must match an earlier open brace
46 
47   classclass is a group of fields and methods used for making objects RedChanger extendsextends means to customize or extend the functionality of a class TimedAction
48   {open braces start code blocks and must be matched with a close brace
49     publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value act()
50     {open braces start code blocks and must be matched with a close brace
51       oval.setColor(Palette.getColor("red"));
52     }close braces end code blocks and must match an earlier open brace
53   }close braces end code blocks and must match an earlier open brace
54 
55   classclass is a group of fields and methods used for making objects WhiteChanger extendsextends means to customize or extend the functionality of a class TimedAction
56   {open braces start code blocks and must be matched with a close brace
57     publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value act()
58     {open braces start code blocks and must be matched with a close brace
59       oval.setColor(Palette.getColor("white"));
60     }close braces end code blocks and must match an earlier open brace
61   }close braces end code blocks and must match an earlier open brace
62 
63   /**adds the sprites to the screen*/
64   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value addSprites()
65   {open braces start code blocks and must be matched with a close brace
66     addSprite(redButton, whiteButton, oval);
67   }close braces end code blocks and must match an earlier open brace
68 
69 }close braces end code blocks and must match an earlier open brace