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Informatique
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JAVA
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MouseMotionEventDemo.java
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import java.awt.Color; import java.awt.Graphics; import java.awt.event.MouseEvent; import java.awt.event.MouseMotionListener; import javax.swing.JFrame; import javax.swing.JPanel; public class MouseMotionEventDemo extends JPanel implements MouseMotionListener { private int mX, mY; public MouseMotionEventDemo() { addMouseMotionListener(this); setVisible(true); } public void mouseMoved(MouseEvent me) { mX = (int) me.getPoint().getX(); mY = (int) me.getPoint().getY(); repaint(); } public void mouseDragged(MouseEvent me) { mouseMoved(me); } public void paint(Graphics g) { g.setColor(Color.blue); g.fillRect(mX, mY, 5, 5); } public static void main(String[] args) { JFrame f = new JFrame(); f.getContentPane().add(new MouseMotionEventDemo()); f.setSize(200, 200); f.show(); } }