Focus Event in java programming (V68)

FocusEvent

FocusEvent is a class in Java that represents an event which occurs when a component gains or loses the input focus.
It is generated when a GUI component, such as a text field, button, or other focusable component, becomes the active component to receive keyboard input or when it no longer has that focus.

Example: 

Source Code:

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    private void jTextField1FocusGained(java.awt.event.FocusEvent evt) {                                        
         jTextField1.setBackground(java.awt.Color.YELLOW);
         jLabel1.setText("Focus In");
    }                                       

    private void jTextField1FocusLost(java.awt.event.FocusEvent evt) {                                      
        jTextField1.setBackground(java.awt.Color.GREEN);
        jLabel1.setText("Focus Out");
    }                                                                                

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