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Worker.java

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package com.ddb.javacore.ood2;

public class Worker extends Human {

private String country;

public Worker() {

super();

}

public Worker(String id, String name, Integer age, String work) {

super();

System.out.println("这是Worker的无参构造方法，用来创建Worker类的一个实例对象！");

}

public Worker(String id, String name, Integer age, String work, String country) {

super(id, name, age, work);

this.country = country;

System.out.println("这是Worker的country的参数构造方法，用来创建Worker类的一个实例对象！");

}

public String getCountry() {

return country;

}

public void setCountry(String country) {

this.country = country;

}

public void work() {

System.out.println("我是工人，我会搬砖！");

}

@Override

public String toString() {

return super.toString() + "----Worker [country=" + country + "]";

}

public static void main(String[] args) {

Worker worker = new Worker("ID-123456", "zhangsan", 36, "Worker", "China");

System.out.println(worker);

}

}