java继承

package depo;

import java.util.Set;

public class day1z extends day1 {
    public static void main(String[] args) {
        day1 day1 = new day1();
        day1.setName("张三");
        day1.setAge(14);
        day1.setSex("男");
        System.out.println(day1.getName());
        System.out.println(day1.getAge());
        System.out.println(day1.getSex());
        day1.wan();

    }
}

package depo;

public class day1 {
    private String name;
    private int age;
    private String sex;
    public day1(String name, int age, String sex) {
        super();
        this.name = name;
        this.age = age;
        this.sex = sex;
    }
    public day1() {
        super();
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getSex() {
        return sex;
    }
    public void setSex(String sex) {
        this.sex = sex;
    }
    public void wan(){
        System.out.println("法外狂徒张三");
    }
}