NetedLayoutApplet.java

import java.awt.*;
import java.applet.Applet;
public class  NestedLayoutApplet extends Applet
{
  Panel southPanel;
	Panel centerPanel;
	TextField t;

	public NestedLayoutApplet(){
		String caption = "This example shows an Applet that "+
						"have a bit more complex GUI";
		setLayout(new BorderLayout());
		add(new Label(caption),BorderLayout.NORTH);
		add(new Button("-"),BorderLayout.EAST);
		add(new Button("+"),BorderLayout.WEST);
		southPanel = new Panel();
		add(southPanel,BorderLayout.SOUTH);
		centerPanel = new Panel();
		add(centerPanel,BorderLayout.CENTER);
		
		centerPanel.setLayout(new GridLayout(2,2,2,2));
		centerPanel.add(new Button("A"));
		centerPanel.add(new Button("B"));
		centerPanel.add(new Button("C"));
		centerPanel.add(new Button("D"));

        Dimension d = getSize();
		t = new TextField("", 30);
		southPanel.setLayout(new FlowLayout());
		southPanel.add(t);
		southPanel.add(new Button("OK"));
        t.setText("The size of this Applet is "+ d.width+"x"+d.height);
	}
    public void init(){
        Dimension d = getSize();
        t.setText("The size of this Applet is "+ d.width+"x"+d.height);
    }

    public void paint(Graphics g){
        Dimension d = getSize();
        t.setText("The size of this Applet is "+ d.width+"x"+d.height);
    }

}