Java中的枚举

public enum Gender {

    //此处的枚举值必须调用对应的构造器来创建
    MALE("男"), FEMALE("女");

    private final String name;

    //枚举类的构造器只能使用 private 修饰
    private Gender(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }
}