定义一个枚举类

//枚举类型
public enum test122 {RED,GREEN,BLUE;}

测试类

public class test123 {public static void main(String[] args){System.out.println( test122.BLUE );test122[] sigs=test122.values();for(test122 e:sigs){System.out.println( "枚举名称" +e.name());System.out.println( "枚举的索引" +e.ordinal());}}
}

运行结果