import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.TextArea;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

/*
 * Event Handler
 * : Overriding interface
 *
 */
public class ActionEventEx extends Frame implements ActionListener,WindowListener {
   Panel p;
   Button input, exit;
   TextArea ta;
   
   public ActionEventEx() {
      
      super("ActionEnvet Test");
      
      p=new Panel();
      
      input=new Button("입력");
      exit=new Button("종료");
      ta=new TextArea();
      
      input.addActionListener(this);   // Listener connect
      exit.addActionListener(this);   // Listener connect
      
      addWindowListener(this);
      
      p.add(input);
      p.add(exit);
      
      add(p, BorderLayout.NORTH);
      add(ta, BorderLayout.CENTER);
      
      setBounds(300,300,300,200);
      setVisible(true);
   }
   
   @Override
   public void actionPerformed(ActionEvent ae) {
      String name;
      name=ae.getActionCommand();
      
      if(name.equals("입력"))
         ta.append("버튼이 입력되었습니다.\n");
      else
      {
         ta.append("프로그램을 종료합니다.\n");
         try {   // 의무적으로 예외처리
            Thread.sleep(2000);
         }catch(Exception e) {}
         
         System.exit(0);
      }
   }

   public static void main(String[] args) {

      new ActionEventEx();
   }

	@Override
	public void windowActivated(WindowEvent e) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void windowClosed(WindowEvent e) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void windowClosing(WindowEvent e) {
		// TODO Auto-generated method stub
		System.exit(0);
	}
	
	@Override
	public void windowDeactivated(WindowEvent e) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void windowDeiconified(WindowEvent e) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void windowIconified(WindowEvent e) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void windowOpened(WindowEvent e) {
		// TODO Auto-generated method stub
		
	}
}