1.完成一个鼠标绘图的 applet 程序,代码框架已经给出。后面有三个提示
import java.awt.event.*;
import java.awt.*;
import java.applet.*;
import java.ul.Vector;
public class DrawTest extends Applet implements MouseListener, MouseMoonListener {
public void init() {
setForeground(Color.BLACK);
setBackground(Color.white);
addMouseMoonListener(this);
addMouseListener(this);
}
public void paint(Graphics g) {
}
}
public void mouseDragged(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
}
}