java enum

最新推荐文章于 2025-08-14 09:11:10 发布

原创最新推荐文章于 2025-08-14 09:11:10 发布 · 75 阅读

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#java

enum

jdk5.0前

public class Season{

    //声明属性
    private final String seasonName;
    private final String seasonDesc;
    //私有化构造器
    private Season(String seasonName, String seasonDesc) {
        this.seasonName = seasonName;
        this.seasonDesc = seasonDesc;
    }
    //提供枚举类对象
    public static final Season SPRING = new Season("春天", "春暖花开");
    public static final Season SUMMER = new Season("夏天", "夏日炎炎");
    public static final Season AUTUMN = new Season("秋天", "秋高气爽");
    public static final Season WINTER = new Season("冬天", "冬天雪地");

    @Override
    public String toString() {
        return "Season{" +
                "seasonName='" + seasonName + '\'' +
                '}';
    }

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

    }
}

用枚举类

public enum SeasonTest {
    //提供当前枚举类
    SPRING("春天", "春暖花开"),
    SUMMER("夏天", "夏日炎炎"),
    AUTUMN("秋天", "秋高气爽"),
    WINTER("冬天", "冬天雪地");
    //声明属性 private final
    private final String seasonName;
    private final String seasonDesc;
    //私有化构造器并赋值
    SeasonTest(String seasonName, String seasonDesc) {
        this.seasonName = seasonName;
        this.seasonDesc = seasonDesc;
    }
    //其他功能
    public String getSeasonName() {
        return seasonName;
    }

    public String getSeasonDesc() {
        return seasonDesc;
    }

    @Override
    public String toString() {
        return "SeasonTest{" +
                "seasonName='" + seasonName + '\'' +
                ", seasonDesc='" + seasonDesc + '\'' +
                '}';
    }

    public static void main(String[] args) {
        SeasonTest summer = SeasonTest.SUMMER;
        System.out.println(summer);
    }
}