import javax.swing.*; import java.awt.*; import java.awt.event.*; /* */ public class UpDownButton3 extends JApplet { int x=20; @Override public void init() { JButton lBtn = new JButton("Left"); JButton rBtn = new JButton("Right"); lBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { x-=10; repaint(); } }); rBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { x+=10; repaint(); } }); setLayout(new FlowLayout()); add(lBtn); add(rBtn); } @Override public void paint(Graphics g) { super.paint(g); g.drawString("HELLO WORLD!", x, 55); } }