scg/ch13/core/ScoreSprite

01 packagepackage is used to name the directory or folder a class is in scg.ch13.core;
02 
03 importimport means to make the classes and/or packages available in this program fang2.sprites.StringSprite;
04 
05 /**
06  * Keep and display score. The {open braces start code blocks and must be matched with a close brace@link ScoreSprite}close braces end code blocks and must match an earlier open brace is based on the
07  * version presented in Chapter09. The score in thisthis means the current object (the implicit parameter) version is an
08  * integer (the number of rows removed in the game).
09  */
10 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 ScoreSprite
11   extendsextends means to customize or extend the functionality of a class StringSprite {open braces start code blocks and must be matched with a close brace
12   /** current score */
13   privateprivate is used to restrict access to the current class only intint is the type for whole numbers and it is short for integer score;
14 
15   /**
16    * Default constructor: 0/0 is initial score.
17    */
18   publicpublic is used to indicate unrestricted access (any other class can have access) ScoreSprite() {open braces start code blocks and must be matched with a close brace
19     thisthis means the current object (the implicit parameter)(0);
20   }close braces end code blocks and must match an earlier open brace
21 
22   /**
23    * Create newnew is used to create objects by calling the constructor ScoreSprite with the given score.
24    *
25    * @paramthis is the Javadoc tag for documenting the purpose of parameters  score  initial score
26    */
27   publicpublic is used to indicate unrestricted access (any other class can have access) ScoreSprite(intint is the type for whole numbers and it is short for integer score) {open braces start code blocks and must be matched with a close brace
28     thisthis means the current object (the implicit parameter).score =this assignment operator makes the left side equal to the right side score;
29     fixTextDisplay();
30   }close braces end code blocks and must match an earlier open brace
31 
32   /**
33    * Get the current score.
34    *
35    * @returnnull  the current score
36    */
37   publicpublic is used to indicate unrestricted access (any other class can have access) intint is the type for whole numbers and it is short for integer getScore() {open braces start code blocks and must be matched with a close brace
38     returnreturn means to provide the result of the method and/or cease execution of the method immediately score;
39   }close braces end code blocks and must match an earlier open brace
40 
41   /**
42    * Increment the score by 1.
43    */
44   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value increment() {open braces start code blocks and must be matched with a close brace
45     increment(1);
46   }close braces end code blocks and must match an earlier open brace
47 
48   /**
49    * Increment the score by the given value.
50    *
51    * @paramthis is the Javadoc tag for documenting the purpose of parameters  n  number to add to the current score
52    */
53   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value increment(intint is the type for whole numbers and it is short for integer n) {open braces start code blocks and must be matched with a close brace
54     score +=this increases the variable on the left by the value on the right n;
55     fixTextDisplay();
56   }close braces end code blocks and must match an earlier open brace
57 
58   /**
59    * Implementation method: display the currently recorded score.
60    */
61   privateprivate is used to restrict access to the current class only voidvoid means the method does not return a value fixTextDisplay() {open braces start code blocks and must be matched with a close brace
62     setText(Integer.toString(score));
63   }close braces end code blocks and must match an earlier open brace
64 }close braces end code blocks and must match an earlier open brace
65 
66 //Uploaded on Mon Mar 29 21:41:07 EDT 2010