// David Morrisroe	
// 13-04-2003
// Calcculator.java - A Java Program To Implement A Simple Calculater Using Menus
 
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.DecimalFormat;
 
public class Calculator extends JFrame{
	JFrame MyFrame;
	JMenuBar MyMenuBar;
	JTextField Number1, Number2;
	JLabel label1, label2, label3, AnsLabel;
	 
	public  Calculator()
	{		
		super("Calculator");
		// Create The JFrame For The Program
		MyFrame = new JFrame("Calculator");
		// Create The Menu For The Program
		MyMenuBar = new JMenuBar();
		// Add The Menu To The Frame
		MyFrame.setJMenuBar(MyMenuBar);
		// Add a Menu To The Menu Bar
		JMenu Calc = new JMenu("Calculate");
		MyMenuBar.add(Calc);
		// Add Menu Items To The menu
		Calc.add(new JMenuItem("Add"));
		Calc.add(new JMenuItem("Subtract"));
		Calc.add(new JMenuItem("Multiply"));
		Calc.add(new JMenuItem("Divide"));
		// Add A Separator
		Calc.addSeparator();
		Calc.add(new JMenuItem("Exit"));
		
		Number1 = new JTextField(6);
		Number2 = new JTextField(6);
		label1 = new JLabel("Number 1");
		label2 = new JLabel("Number 2");
		label3 = new JLabel("Solution");
		AnsLabel = new JLabel();
		
		
		Container c = getContentPane();
		c.setLayout(new GridLayout(3,2));
		
		c.add(label1);
		c.add(Number1);
		c.add(label2);
		c.add(Number2);
		c.add(label3);
		c.add(AnsLabel);
		
		MyFrame.setSize(300,300);
		MyFrame.setVisible(true);
		show();
	}
	
	public static void main(String args[])
	{
		Calculator MyCalc = new Calculator();
		
		MyCalc.addWindowListener(
			new WindowAdapter(){
				public void windowClosing(WindowEvent e)
				{
					System.exit(0);
				}
			}
		);
	}
}