1 //: InterfacePower.java
2 package cn.skyfffire;
3
4 import java.util.Vector;
5
6 /**
7 * 深究抽象类的应用
8 *
9 * user: skyfffire
10 * time: 下午3:20:35
11 */
12 public class InterfacePower {
13 /**
14 * 为对象定义相同的接口
15 *
16 * @author skyfffire
17 *
18 */
19 interface Student {
20 public String writeHomework();
21 }
22
23 /**
24 * 抽象类的测试
25 *
26 * @param args
27 */
28 public static void main(String[] args) {
29 // 定义一个班级属性用来封装该班级的学生
30 Vector<Student> classes = new Vector<Student>();
31
32 // 定义三个学生，给予不同的写作业速度
33 Student xiaoMing = new Student() {
34 @Override
35 public String writeHomework() {
36 return "The xiaoMing is very slow to write homework.";
37 }
38 };
39
40 Student xiaoHong = new Student() {
41 @Override
42 public String writeHomework() {
43 return "The xiaoHong is very quick to write homework.";
44 }
45 };
46
47 Student xiaoGang = new Student() {
48 @Override
49 public String writeHomework() {
50 return "The xiaoGang is normal to write homework.";
51 }
52 };
53
54 // 将三个同学添加到这个班级
55 classes.add(xiaoMing);
56 classes.add(xiaoHong);
57 classes.add(xiaoGang);
58
59 // 遍历这个班级的所有人,就算各自的习惯(方法实现)不同
60 // 但是都实现了同一个接口的同一个方法，所以可以拥有同样的行为。
61 for (Student s : classes) {
62 System.out.println(s.writeHomework());
63 }
64 }
65 }
66
67 ///:~
