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

class JSimpleGUI1 extends JFrame {
   private JLabel label;
   private JTextField tf;
   private JButton okB, exitB;

   public JSimpleGUI1() {
   // create the atomic components
      label = new JLabel("Enter your name");
      tf = new JTextField(20);
      okB = new JButton("Ok");
      exitB = new JButton("Exit");

   // create the intermediate containers
      JPanel pane1 = new JPanel(); // default flow layout
      pane1.add(label);
      JPanel pane2 = new JPanel(); // default flow layout
      pane2.add(tf);
      pane2.add(okB);
      JPanel pane3 = new JPanel(new FlowLayout(FlowLayout.RIGHT));
      // flow layout with alignment to the right
      pane3.add(exitB);

//set layout for the whole frame and add intermediate containers
      this.getContentPane().setLayout(new GridLayout(0,1)); 
      this.getContentPane().add(pane1); 
      this.getContentPane().add(pane2);
      this.getContentPane().add(pane3);
   } // end constructor
  
   public static void  main(String[] args) {
      JSimpleGUI1 window = new JSimpleGUI1();
      window.setTitle("SimpleGUI");
      window.pack();
      window.setVisible(true);
   }
}