1 package com.jdk7.chapter2.factory;
2
3 public class Factory {
4 //定义具体的类型，该类型只属于该类
5 public static final String SELECTTION_SORT = "SelectSort"
;
6 public static final String BUBBLE_SORT = "bubbleSort"
;
7 public static final String LINEARINSERT_SORT = "linearInsertSort"
;
8 public static final String QUICK_SORT = "quickSort"
;
9
10 //因为这里调用了静态常量SELECTTION_SORT等，所以该方法要为静态的
11 public static SortNumber getSortNumber(String id){
12 if(id.equalsIgnoreCase(SELECTTION_SORT)){
13 return new SelectSort();
14 }
else if(id.equalsIgnoreCase(BUBBLE_SORT)){
15 return new BubbleSort();
16 }
else if(id.equalsIgnoreCase(LINEARINSERT_SORT)){
17 return new LinearInsertSort();
18 }
else if(id.equalsIgnoreCase(QUICK_SORT)){
19 return new QuickSort();
20 }
else{
21 System.out.println("factory中无该类型"
);
22 return null;
23 }
24 }
25 }
1 package com.jdk7.chapter2.factory;
2
3 public class FactoryTest {
4 public static void printIntArray(
int[] array){
5 if(array==
null){
6 return;
7 }
else{
8 for(
int i=0;i<array.length;i++
){
9 System.out.print(array[i]+" "
);
10 }
11 }
12 System.out.println();
13 }
14
15 public static void main(String[] args) {
16 int[] array =
new int[] {5,8,7,6,1,4,3,2
};
17
18 System.out.println("===============SELECTTION_SORT==============="
);
19 int[] a =
Factory.getSortNumber(Factory.SELECTTION_SORT).sortASCNumber(array);
20 printIntArray(a);
21
22 System.out.println("===============BUBBLE_SORT==============="
);
23 int[] b =
Factory.getSortNumber(Factory.BUBBLE_SORT).sortASCNumber(array);
24 printIntArray(b);
25
26 System.out.println("===============LINEARINSERT_SORT==============="
);
27 int[] c =
Factory.getSortNumber(Factory.LINEARINSERT_SORT).sortASCNumber(array);
28 printIntArray(c);
29
30 System.out.println("===============QUICK_SORT==============="
);
31 int[] d =
Factory.getSortNumber(Factory.QUICK_SORT).sortASCNumber(array);
32 printIntArray(d);
33 }
34 }
35
36 执行结果：
37 ===============SELECTTION_SORT===============
38 1 2 3 4 5 6 7 8
39 ===============BUBBLE_SORT===============
40 1 2 3 4 5 6 7 8
41 ===============LINEARINSERT_SORT===============
42 1 2 3 4 5 6 7 8
43 ===============QUICK_SORT===============
44 1 2 3 4 5 6 7 8
其余类代码详见：http://www.cnblogs.com/celine/p/8290254.html
转载于:https://www.cnblogs.com/celine/p/8297647.html
