intro/GraphicUserInterface

01 packagepackage is used to name the directory or folder a class is in intro;
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 GraphicUserInterface 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 Sprite oval;
15   privateprivate is used to restrict access to the current class only Model model;
16 
17   /**sets up the game*/
18   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value setup()
19   {open braces start code blocks and must be matched with a close brace
20     model=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor Model();
21     makeSprites();
22     addSprites();
23   }close braces end code blocks and must match an earlier open brace
24 
25   /**makes the sprites*/
26   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value makeSprites()
27   {open braces start code blocks and must be matched with a close brace
28     oval=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor OvalSprite(2, 1);
29     String colorName=this assignment operator makes the left side equal to the right sidemodel.getColor();
30     oval.setColor(getColor(colorName));
31     oval.setSize(0.75);
32     oval.setLocation(0.5, 0.5);
33   }close braces end code blocks and must match an earlier open brace
34 
35   /**adds the sprites to the screen*/
36   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value addSprites()
37   {open braces start code blocks and must be matched with a close brace
38     addSprite(oval);
39   }close braces end code blocks and must match an earlier open brace
40 
41   /**handle input and game events*/
42   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value advance()
43   {open braces start code blocks and must be matched with a close brace
44     ifif executes the next statement only if the condition in parenthesis evaluates to true(getClick2D()!=this is the not equals operator which evaluates to true if both sides are differentnullnull is the value used to refer to a non-existant object)
45     {open braces start code blocks and must be matched with a close brace
46       model.toggle();
47     }close braces end code blocks and must match an earlier open brace
48     String colorName=this assignment operator makes the left side equal to the right sidemodel.getColor();
49     oval.setColor(getColor(colorName));
50   }close braces end code blocks and must match an earlier open brace
51 }close braces end code blocks and must match an earlier open brace