Example/RandomNumber

01 packagepackage is used to name the directory or folder a class is in Example;
02 
03 importimport means to make the classes and/or packages available in this program wiki.Wiki;
04 importimport means to make the classes and/or packages available in this program fang.*;
05 importimport means to make the classes and/or packages available in this program java.awt.*;
06 importimport means to make the classes and/or packages available in this program java.awt.geom.*;
07 
08 /**
09  * All about my game here.
10  * @authornull Jam Jenkins
11  */
12 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 RandomNumber extendsextends means to customize or extend the functionality of a class GameLoop
13 {open braces start code blocks and must be matched with a close brace
14   /**an oval*/
15   privateprivate is used to restrict access to the current class only StringSprite oval;
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 startGame()
19   {open braces start code blocks and must be matched with a close brace
20     makeSprites();
21     addSprites();
22   }close braces end code blocks and must match an earlier open brace
23   
24   /**makes the sprites*/
25   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value makeSprites()
26   {open braces start code blocks and must be matched with a close brace
27     //String text="x="+random.nextInt(5);
28     String text=this assignment operator makes the left side equal to the right side"heads";
29     intint is the type for whole numbers and it is short for integer x=this assignment operator makes the left side equal to the right siderandom.nextInt(2);
30     ifif executes the next statement only if the condition in parenthesis evaluates to true(x==this is the comparison operator which evaluates to true if both sides are the same0)
31     {open braces start code blocks and must be matched with a close brace
32       text=this assignment operator makes the left side equal to the right side"tail";
33     }close braces end code blocks and must match an earlier open brace
34     oval=this assignment operator makes the left side equal to the right sidenewnew is used to create objects by calling the constructor StringSprite(text);
35     oval.setScale(0.75);
36     oval.setLocation(0.5, 0.5);
37   }close braces end code blocks and must match an earlier open brace
38   
39   /**adds the sprites to the screen*/
40   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value addSprites()
41   {open braces start code blocks and must be matched with a close brace
42     canvas.addSprite(oval);
43   }close braces end code blocks and must match an earlier open brace
44   
45   /**handle input and game events*/
46   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value advanceFrame(doubledouble is the type for numbers that can contain decimal fractions timePassed)
47   {open braces start code blocks and must be matched with a close brace
48     oval.setLocation(getPlayer().getMouse().getLocation());
49     ifif executes the next statement only if the condition in parenthesis evaluates to true(getPlayer().getMouse().getClickLocation()!=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)
50     {open braces start code blocks and must be matched with a close brace
51       oval.setScale(random.nextDouble());
52     }close braces end code blocks and must match an earlier open brace
53     ifif executes the next statement only if the condition in parenthesis evaluates to true(getPlayer().getKeyboard().getLastKey()==this is the comparison operator which evaluates to true if both sides are the same'r')
54     {open braces start code blocks and must be matched with a close brace
55       oval.setColor(Color.RED);
56     }close braces end code blocks and must match an earlier open brace
57     ifif executes the next statement only if the condition in parenthesis evaluates to true(getPlayer().getKeyboard().getLastKey()==this is the comparison operator which evaluates to true if both sides are the same'w')
58     {open braces start code blocks and must be matched with a close brace
59       oval.setColor(Color.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 }close braces end code blocks and must match an earlier open brace