【Java每日一题】20170111

package Jan2017;  
  
public class Ques0111 {  
  
   public static void main(String[] args){  
      final Person p1 = new Person("张三");  
      final Person p2 = new Person("李四");  
  
      p1 = new Person("王五");   
      p2.setName("王五");   
   }  
}  
class Person{  
   private String name;  
  
   Person(String name) {  
      this.name = name;  
   }  
  
   public void setName(String name) {  
      this.name = name;  
   }  
}