JDK5.0以上：一个枚举也可以有构造函数，字段和方法,带抽象方法的枚举

package cn.itcast.demo;

import org.junit.Test;

import org.omg.CORBA.PRIVATE_MEMBER;

public class Demo1 {

@Test

public void test(){

print(Grade.B);

}

public void print(Grade g){

String value = g.getValue();

System.out.println(value);

String v = g.localValue();

System.out.println(v);

}

/*

* class Grade(){

private Grade(){};

public static final Grade A = new Grade();

public static final Grade B = new Grade();

public static final Grade C = new Grade();

public static final Grade D = new Grade();

public static final Grade E = new Grade();

}

*/

//带抽象方法的枚举

enum Grade{

A("100-90"){

public String localValue(){

return "优";

}

}

,B("89-80"){

public String localValue(){

return "良";

}

},C("79-70"){

public String localValue(){

return "一般";

}

},D("69-60"){

public String localValue(){

return "差";

}

},E("59-0"){

public String localValue(){

return "不及格";

}

};

private String value; //封装每个对象对于的分数

private Grade(String value){

this.value = value;

}

public String getValue(){

return this.value;

}

public String localValue(){

return this.localValue();

}

}

}