jdk5.0之后，可以使用enum关键字定义枚举类

使用enum关键字定义枚举类
说明:定义的枚举类默认继承于java.lang.Enum类
 

代码如下：

public class SeasonTest {

    public static void main(String[] args) {
        Season spring = Season.SPRING;
        System.out.println(spring);

        System.out.println(Season.class.getSuperclass());
    }
}
enum Season{

    //1.提供当前枚举类的对象，多个对象之间用","隔开，末尾对象";"结束
    SPRING("春天","春天"),
    SUNMER("夏天","夏天"),
    AUTUMN("秋天","秋天"),
    Season("冬天","冬天");

    //2.声明Season对象的属性:private final修饰
    private final String name;
    private final String desc;

    //3.私有化类的构造器,并给对象属性赋值
    private Season(String name,String desc){
        this.name=name;
        this.desc=desc;
    }




    //4.其他诉求，获取枚举类的属性
    public String getName() {
        return name;
    }

    public String getDesc() {
        return desc;
    }

    //其他诉求，提供toString()方法
//    @Override
//    public String toString() {
//        return "Season{" +
//                "name='" + name + ''' +
//                ", desc='" + desc + ''' +
//                '}';
//    }
}

结果：

SPRING
class java.lang.Enum

重写toString()方法代码：

public class SeasonTest {

    public static void main(String[] args) {
        Season spring = Season.SPRING;
        //toString()
        System.out.println(spring.toString());
        System.out.println("###########################");

        //values()
        Season[] values = Season.values();
        for (int i = 0; i < values.length; i++) {
            System.out.println(values[i]);
        }
        System.out.println("###########################");

        System.out.println(Season.class.getSuperclass());
        System.out.println("###########################");

        Season spring1 = Season.valueOf("SPRING");
        System.out.println(spring1);
    }
}
enum Season{

    //1.提供当前枚举类的对象，多个对象之间用","隔开，末尾对象";"结束
    SPRING("春天","春天"),
    SUNMER("夏天","夏天"),
    AUTUMN("秋天","秋天"),
    Season("冬天","冬天");

    //2.声明Season对象的属性:private final修饰
    private final String name;
    private final String desc;

    //3.私有化类的构造器,并给对象属性赋值
    private Season(String name,String desc){
        this.name=name;
        this.desc=desc;
    }

    //4.其他诉求，获取枚举类的属性
    public String getName() {
        return name;
    }

    public String getDesc() {
        return desc;
    }

    //其他诉求，提供toString()方法
    @Override
    public String toString() {
        return "Season{" +
                "name='" + name + ''' +
                ", desc='" + desc + ''' +
                '}';
    }
}

结果如下：

Season{name='春天', desc='春天'}
###########################
Season{name='春天', desc='春天'}
Season{name='夏天', desc='夏天'}
Season{name='秋天', desc='秋天'}
Season{name='冬天', desc='冬天'}
###########################
class java.lang.Enum
###########################
Season{name='春天', desc='春天'}

方法：