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Person.java
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package com.lanber.serial;
import java.io.Serializable;
public class Person implements Serializable {
private String name;
private int age;
private String sex;
private String nationality;
public Person(String _name, int _age, String _sex, String _nationality) {
this.name = _name;
this.age = _age;
this.sex = _sex;
this.nationality = _nationality;
}
public String toString() {
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