Question

跪求大神解答一个java题目！！！！

跪求大神解答一个java题目！！！！定义一个Person抽象类，该类有姓名，年龄2个属性，有一个带有返回值的String talk（）抽象方法及带参构造方法和不带参数的构造方法，定一个Worker（工人）类，该类继承Person类，新增薪水属性，并实现抽象方法，并且有一个带参构造函数调用抽象类的构造函数。
编写测试类测试Worker类，
备注：talk（）方法用于自我介绍，
备注：属性名 薪水pay

Answer 1

public abstract class Person {
private String name;
private Integer age;

public Person(){}
public Person(String name,Integer age){
this.name = name;
this.age = age;
}

public abstract String talk();

}

public class Worker extends Person{
private String pay;

public void setPay(String pay) {
this.pay = pay;
}
@Override
public String talk() {
return "I am a worker! + my sal is" + pay;
}
}

Answer 2

Person抽象类
package com.platform.wayin.example.action;

public abstract class Person {
String age;
String name;
public Person(String age, String name) {
super();
this.age = age;
this.name = name;
}
public Person() {
}

public abstract String talk();
}

Worker 类
package com.platform.wayin.example.action;

public class Worker extends Person{
String pay;

public Worker(String age, String name, String pay) {
super(age, name);
this.pay = pay;
}

public String talk(){

return "我的名字是"+this.name+",今年"+this.age+"岁,工资是"+this.pay+"元";
}

}

测试类
package com.platform.wayin.example.action;

public class WorkerTest {

public static void main(String[] args) {
Worker worker=new Worker("小明","20","5000");
System.out.println(worker.talk());
}

}