import java.awt.*;

/**
 * @author Remi Forax
 */
public class Hierarchy {

  public static void main(String[] args) {
    
    Button button1=new Button("button 1");
    Button button2=new Button("button 2");
    
    Panel panel=new Panel();
    panel.add(button1);
    panel.add(button2);
    
    Frame frame=new Frame("HelloAWT");
    frame.add(panel);
    frame.setSize(400,300);
    frame.show();
  }
}