import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;

class Plansza extends JPanel
{
   Shape figura;
   
   Plansza(Shape figura)            
   {                                
      this.figura=figura;           
   }                                
   
   public void paintComponent(Graphics g) 
   {                                      
      super.paintComponent(g);            
      Graphics2D g2d=(Graphics2D)g;       
                                          
      g2d.draw(figura);                   
   }                                      
}

public class Program
{
   public static void main(String[] args)                
   {                                                     
      Shape obj1;                                        
      obj1=new Rectangle2D.Float(100,100,140,100);       
                                                         
      Plansza p;                                         
      p=new Plansza(obj1);                               
                                                         
      JFrame jf=new JFrame();                            
      jf.add(p);                                         
                                                         
      jf.setTitle("Test grafiki");                       
      jf.setSize(400,400);                               
      jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
      jf.setVisible(true);                               
   }                                                     
}