Simple Help required....

From:
TheBigPJ <TheBigPJ@gmail.com>
Newsgroups:
comp.lang.java.help
Date:
Thu, 15 Nov 2007 05:16:47 -0800 (PST)
Message-ID:
<d92140c9-4de3-4c63-9e5f-c0650197f9f7@i37g2000hsd.googlegroups.com>
I am just trying to entertain myself in java to keep myself interested
in learning it. I want to create a square, and every time I press 'Up'
on the keyboard the square size increases. I can draw everything, but
I am unsure where I would go from there...any hints?

so far I have...

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

class Line{

private int x;
private int y;

public static void main(String args[])
{
x = 50;
y = 100;

JPanel face = new JPanel()
{
protected void paintComponent(Graphics g)
{
super.paintComponent(g);

g.drawRect (50,50,100,100);

}
};
face.setBackground(Color.WHITE);
face.setPreferredSize( new Dimension(100, 100) );
JScrollPane scrollPane = new JScrollPane( face );
scrollPane.setPreferredSize( new Dimension(200, 200) );

JFrame frame = new JFrame();
frame.getContentPane().add( scrollPane );
frame.pack();
frame.setLocationRelativeTo( null );
frame.setVisible( true );
}

public void keyPressed(KeyEvent e) {
//what do I do here??? If(e = 'up key'){x= x+25; y = y+25 }
}

}

Thanks,
Peter

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