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Thursday, 25 May 2017 06:17

Event Handling in Applet

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As we perform event handling in AWT or Swing, we can perform it in applet also. Let's see the simple example of event handling in applet that prints a message by click on the button.

Example of EventHandling in applet:

 
  1. import java.applet.*;  
  2. import java.awt.*;  
  3. import java.awt.event.*;  
  4. public class EventApplet extends Applet implements ActionListener{  
  5. Button b;  
  6. TextField tf;  
  7.   
  8. public void init(){  
  9. tf=new TextField();  
  10. tf.setBounds(30,40,150,20);  
  11.   
  12. b=new Button("Click");  
  13. b.setBounds(80,150,60,50);  
  14.   
  15. add(b);add(tf);  
  16. b.addActionListener(this);  
  17.   
  18. setLayout(null);  
  19. }  
  20.   
  21.  public void actionPerformed(ActionEvent e){  
  22.   tf.setText("Welcome");  
  23.  }   
  24. }  
In the above example, we have created all the controls in init() method because it is invoked only once.

myapplet.html

 

 
  1. <html>  
  2. <body>  
  3. <applet code="EventApplet.class" width="300" height="300">  
  4. </applet>  
  5. </body>  
  6. </html>  
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Anish Sir

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 Call +91 74 88 34 7779  | Email : anishsingh@live.com

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