Applet Communication

java.applet.AppletContext class provides the facility of communication between applets. We provide the name of applet through the HTML file. It provides getApplet() method that returns the object of Applet. Syntax:

Example of Applet Communication

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class ContextApplet extends Applet implements ActionListener{
Button b;

public void init(){
b=new Button("Click");
b.setBounds(50,50,60,50);

add(b);
b.addActionListener(this);
}

public void actionPerformed(ActionEvent e){

AppletContext ctx=getAppletContext();
Applet a=ctx.getApplet("app2");
a.setBackground(Color.yellow);
}
}

myapplet.html

<html>
<body>
<applet code="ContextApplet.class" width="150" height="150" name="app1">
</applet>

<applet code="First.class" width="150" height="150" name="app2">
</applet>
</body>
</html>

download this example.

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