import java.awt.*;
import java.awt.event.*;
import java.applet.*;public class Applet1 extends Applet {
boolean isStandalone = false;
private Color[] color; //Initialize the applet
public void init() {
color = new Color[2];
color[0] = Color.red;
color[1] = Color.blue;
} public void paint(Graphics g)
{ g.setColor(color[0]);
g.drawString("hallo java",50,33);
g.setColor(color[1]);
g.drawString("hallo world",50,60);
Color temp = color[0];
color[0] = color[1];
color[1] = temp;
try{
Thread.sleep(20000);//sleep for 2 second
}
catch(Exception e)
{
}
repaint();
}
//Main method 用来显示的
public static void main(String[] args) {
Applet1 applet = new Applet1();
applet.isStandalone = true;
Frame frame;
frame = new Frame() {
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
public synchronized void setTitle(String title) {
super.setTitle(title);
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
}
};
frame.setTitle("hello Frame");
frame.add(applet, BorderLayout.CENTER);
applet.init();
applet.start();
frame.setSize(400,320);
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
frame.setLocation((d.width - frame.getSize().width) / 2, (d.height - frame.getSize().height) / 2);
frame.setVisible(true);
}
}
import java.awt.event.*;
import java.applet.*;public class Applet1 extends Applet {
boolean isStandalone = false;
private Color[] color; //Initialize the applet
public void init() {
color = new Color[2];
color[0] = Color.red;
color[1] = Color.blue;
} public void paint(Graphics g)
{ g.setColor(color[0]);
g.drawString("hallo java",50,33);
g.setColor(color[1]);
g.drawString("hallo world",50,60);
Color temp = color[0];
color[0] = color[1];
color[1] = temp;
try{
Thread.sleep(20000);//sleep for 2 second
}
catch(Exception e)
{
}
repaint();
}
//Main method 用来显示的
public static void main(String[] args) {
Applet1 applet = new Applet1();
applet.isStandalone = true;
Frame frame;
frame = new Frame() {
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
public synchronized void setTitle(String title) {
super.setTitle(title);
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
}
};
frame.setTitle("hello Frame");
frame.add(applet, BorderLayout.CENTER);
applet.init();
applet.start();
frame.setSize(400,320);
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
frame.setLocation((d.width - frame.getSize().width) / 2, (d.height - frame.getSize().height) / 2);
frame.setVisible(true);
}
}
import javax.swing.*;
public class Test extends JApplet {
Color color1=Color.red;
Color color2=Color.blue;
Color temp; public void init() {
setBackground(Color.black);
}
public void paint(Graphics g){
Graphics2D g1 = (Graphics2D)g;
Graphics2D g2 = (Graphics2D)g;
g1.setColor(color1);
g1.drawString("Hallo, Welt",5 ,25);
g2.setColor(color2);
g2.drawString("Hallo, Java",5,75);
temp=color1;
color1=color2;
color2=temp;
try {
Thread.sleep(2000);
}
catch (InterruptedException e) {
}
repaint();
}
}