import java.util.*;
public class Person{
  private set ID;
  private String names;
  public void setdata(int no,String str){
    ID=no;
    name=str;
  }
  public show(){
    System.out.println(ID+" "+name);
  }
  public class PersonDemo{
    public static void main(String[] args){
      Person p1=new Person();
      show(p1);
      p1=setdata(101,"Person1");
      show(p1);
    }
  }
}