import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
public class Frames extends Applet implements ActionListener
{
                Button b1,b2;
                labelFrame window;
                public void init()
                {
                                b1=new Button("Display the window");
                                add(b1);
                                b1.addActionListener(this);
                                b2=new Button("Hide the window");
                                add(b2);
                                b2.addActionListener(this);
                                window=new labelFrame("Java window");
                                window.setSize(400,300);
                }
                public void actionPerformed(ActionEvent event)
                {
                                if(event.getSource()==b1)
                                {
                                                window.setVisible(true);
                                }
                                else if(event.getSource()==b2)
                                {
                                                window.setVisible(false);
                                }
                }
}
class labelFrame extends Frame implements MouseListener
{
                Label label;
                labelFrame(String title)
                {
                                super(title);
                                setLayout(new FlowLayout());
                                label=new Label("Hello From JAVA! This is a frame window.");
                                add(label);
                                addMouseListener(this);
                                addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){setVisible(false);}});
                }
                public void mousePressed(MouseEvent e)
                {
                                if((e.getModifiers()&InputEvent.BUTTON1_MASK)==InputEvent.BUTTON1_MASK)
                                {
                                                label.setText("Left mouse button down at "+e.getX()+","+e.getY());
                                }
                                else
                                {
                                                label.setText("Right mouse button down at "+e.getX()+","+e.getY());
                                }
                }
                public void mouseClicked(MouseEvent e)
                {
                                label.setText("You clicked the mouse at "+e.getX()+","+e.getY());
                }
                public void mouseReleased(MouseEvent e)
                {
                                label.setText("The mouse button went up");
                }
                public void mouseEntered(MouseEvent e)
                {
                                label.setText("The mouse entered ");
                }
                public void mouseExited(MouseEvent e)
                {
                                label.setText("The mouse exited ");
                }
}

 

<HTML>
                <APPLET
                                CODE=Frames.class
                                WIDTH=400
                                HEIGHT=300>
                </APPLET>
</HTML>

JAVA 41.PNG

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