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ButtonClickActionListener.java

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ButtonClickActionListener.java

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package innerclass;

public class ButtonClickActionListener {

public void addActionListener( ActionListener e ) {

e.actionPerformed( );

}

public static void main( String[] args ) {

button1Clicked( );

button2Clicked( );

}

public static void button1Clicked( ) {

// No1:way

ActionListener aEvent = new ActionListener( ) {

@Override

public void actionPerformed( ) {

System.out.println( "HELLO From actionPerformed: 1" );

}

};

ButtonClickActionListener button2 = new ButtonClickActionListener( );

button2.addActionListener( aEvent );

}

public static void button2Clicked( ) {

// NO2:way

ButtonClickActionListener button = new ButtonClickActionListener( );

button.addActionListener( new ActionListener( ) {

@Override

public void actionPerformed( ) {

System.out.println( "HELLO From actionPerformed: 2" );

}

} );

}

}