Java八大常用类（七） 枚举

package oop2.Mathh;
public class Student {
    private String name;
    private Gender sex;
    public Student(String name , Gender sex){
        this.name = name;
        this.sex = sex;
    }
    public Student (){}
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Gender getSex() {
        return sex;
    }
    public void setSex(Gender sex) {
        this.sex = sex;
    }
    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", sex='" + sex + '\'' +
                '}';
    }
}

package oop2.Mathh;
public enum Gender {
    男,女
}

package oop2.Mathh;
public class TestA {
    public static void main(String[] args) {
        Student student = new Student("zhangs",Gender.男);     //在这里的sex就只能选择Gender里的枚举的内容
    }
}