void getdata(int x1,int x2)
     {
          x=x1;
          y=y1;
     }
  void displaydata()
     {
          system.out.println(x+"\t"+y);
     }
}

    c1.getdata(10,20);
    c2.getdata(30,40);
    c1.displaydata();
    c2.displaydata();
    System.out.println(c1.x+"\t"+c1.y);
    System.out.println(c2.x+"\t"+c2.y);
    } 
    }

class R {
     int x;
     int y;

  void getdata(int x1,int y1)
     {
          x=x1;
          y=y1;
     }
  void displaydata()
     {
          System.out.println(x+"\t"+y);
     }
}
class J {
    public static void main(String args[]) {
    R c1,c2;
    c1 = new R();
    c2 = new R();

    c1.getdata(10,20);
    c2.getdata(30,40);
    c1.displaydata();
    c2.displaydata();
    System.out.println(c1.x+"\t"+c1.y);
    System.out.println(c2.x+"\t"+c2.y);
    } 
    }

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