package designPattern.NullObject; public class Person { private int id; private String name; private String address; public Person(){} public Person(int id,String name){ this.id=id; this.name=name; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public String toString(){ return "No:"+id+",name"+name; } }