import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
// import java.awt.event.*;

public class ButtonEvent implements ActionListener {
  
  private void buttonClick() {
    System.out.println("Clicked!");
  }
  
  public void actionPerformed(ActionEvent e) {
    System.out.println("Button ActionEvent: " + e.getActionCommand() );
    switch ( e.getActionCommand() ) {
      case "Click mich!": buttonClick();
      break;
      case "click": buttonClick();
      break;
    }
  }
}