20170110問題解析請點擊今日問題下方的“【Java每日一題】20170111”查看（問題解析在公眾號首發，公眾號ID：weknow619）

package Jan2017;

public class Ques0111 {

    public static void main(String[] args) {
        final Person p1 = new Person("張三");
        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;
    }
}

今日問題：
請問主程序有無編譯錯誤？（點擊以下“【Java每日一題】20170111”查看20170110問題解析）