import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;



public class MyWindow extends JFrame implements ActionListener {
	JButton theButton;
	JTextField inputField;

	public MyWindow(){
		setTitle("MyWindow");
		setSize(300,300);
		
		setLayout(new GridLayout(3,1));
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		add(new JLabel("This is the Label"));
		
		theButton= new JButton("OK");
		theButton.addActionListener(this);
		add(theButton);
		
		inputField=new JTextField();
		inputField.addActionListener(this);
		add(inputField);
		
		setVisible(true);
	}
	
	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		if(e.getSource()==theButton){
			System.out.println("OK");
		}
		else if(e.getSource()==inputField){
			System.out.println(inputField.getText());
		}
		inputField.setText("");

	}
	
	public static void main(String[] args){
		MyWindow aWindow=new MyWindow();
	}

}