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"Components, Containers and Events"
Vol. 3, Issue 1, p. 24


Listing 1.
Class MyFocusListener implements FocusListener 
 public void focusGained( FocusEvent fe ) 
 System.out.println( I get printed when the Component attains focus! ); 
 public void focusLost( FocusEvent fe ) 
 System.out.println( I get printed when the Component looses focus! ); 


// elsewhere in the code 

Textfield  tf = new Textfield(), 
MyFocusListener  mfl  = new MyFocusListener(); 
// Now, add the listener to the Component 
tf.addFocusListener( mfl );


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