Java八大常用类（七） 枚举

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 + '\'' +
            '}';
}

男,女

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
}