import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

class BuildGUI extends JFrame implements ActionListener {
	JFrame actualWindow;
	JPanel container;
	JTextField txt_num1, txt_num2, txt_result;
	JButton btn_div;
	
	BuildGUI() {
		actualWindow = new JFrame("Experiment 4");
		container = new JPanel();
		container.setLayout(new FlowLayout());
		
		txt_num1 = new JTextField(20);
		txt_num2 = new JTextField(20);
		txt_result = new JTextField(20);

		btn_div = new JButton("Divide");
		btn_div.addActionListener(this);
		
		container.add(txt_num1);
		container.add(txt_num2);
		container.add(btn_div);
		container.add(txt_result);
		
		actualWindow.add(container);
		actualWindow.setSize(300, 300);
		actualWindow.setVisible(true);
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		int num1, num2;
		try {
			num1 = Integer.parseInt(txt_num1.getText());
			num2 = Integer.parseInt(txt_num2.getText());
			txt_result.setText(num1/num2+"");
		}
		catch(NumberFormatException nfe) {
			JOptionPane.showMessageDialog(actualWindow,"Please do enter only integers");  
		}
		catch(ArithmeticException ae) {
			JOptionPane.showMessageDialog(actualWindow,"Divisor can not be ZERO");  
		}
	}
}
public class Experiment_4 {

	public static void main(String[] args) {
		new BuildGUI();

	}

}