定义枚举的构造函数、方法和字段 

 1 import org.junit.Test;
 2 
 3 public class Demo {
 4 
 5     /**
 6      * 枚举
 7      */
 8     @Test
 9     public void test() {
10 
11         print(Grade.B);
12 
13     }
14 
15     public void print(Grade g) {
16         String value = g.getValue();
17         System.out.println(value);
18     }
19 
20 }
21 
22 //如何定义枚举的构造函数、方法和字段、去封装更多的信息
23 enum Grade {// class A 100-90 B 89-80 C 79-70 D 69-60 E 59-0
24 
25     A("100-90"), B("89-80"), C("79-70"), D("69-60"), E("59-0");// Object
26 
27     private String value; // 封装每个对象对应的分数
28 
29     private Grade(String value) {
30         this.value = value;
31     }
32 
33     public String getValue() {
34 
35         return this.value;
36     }
37 }
38 
39 /*
40  * class Grade{
41  * 
42  * private Grade(){}
43  * 
44  * public static final Grade A = new Grade(); public static final Grade B = new
45  * Grade(); public static final Grade C = new Grade(); public static final Grade
46  * D = new Grade(); public static final Grade E = new Grade(); }
47  */
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posted @ 2014-06-14 22:47  是但哥  阅读(1225)  评论(0)    收藏  举报