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

/** This class is used show how to change the layout manager of
    a JFrame to a FlowLayout manager.
  */
public class ChangeLayoutDemo extends JFrame {

	/** Constructor: an invisible frame with title t and
	    three buttons surrounded by labels.
	  */
	public ChangeLayoutDemo(String t) {
		super(t);
		
		Container cp= getContentPane();
		cp.setLayout(new FlowLayout());
		       
		cp.add(new JLabel("Left Label"));
		cp.add(new JButton("first"));
		cp.add(new JButton("second"));
		cp.add(new JButton("third"));
	    cp.add(new JLabel("Right Label"));
		
		pack();
	}
	
	public static void main(String[] args) {
		ChangeLayoutDemo f= new ChangeLayoutDemo("change layout manager");
		f.setVisible(true);
	}

}