JAVA面向对象程序设计-FeiGe快递系统-继承II

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JAVA面向对象程序设计-FeiGe快递系统-继承

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package com.caishui.model;

public class TestSon {
   
   
public static void main(String[] args) {
   
   
	Son son = new Son();
	
}
}

package com.caishui.model;

public class Son extends Person {
   
   
  public Son (){
   
   
	  super();
	  System.out.println("========Son构造器=====");
  }
  
}

package com.caishui.