一旦修改了枚举常量的顺序，后续的维护将是一场噩梦.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
package com.canal.demo;

public class ZookeeperHello {


	public  enum AgeRange{
		MIDDLE(1,"中年"),
		YOUNH(2,"青年"),
		OLD(3,"老年");

		private int range;
		private String desc;
		AgeRange(int range,String desc){
			this.range= range;
			this.desc=desc;
		}

		public int getRange() {
			return range;
		}

		public void setRange(int range) {
			this.range = range;
		}

		public String getDesc() {
			return desc;
		}

		public void setDesc(String desc) {
			this.desc = desc;
		}
	}

	public static void main(String[] args) {

		System.out.println(AgeRange.MIDDLE.ordinal()+1);
		System.out.println(AgeRange.MIDDLE.range);


	}
}