import java.awt.*;
import javax.swing.*;

import java.awt.event.KeyEvent;



public class AppGUI extends JFrame {
	public AppGUI(){
setTitle("AppGUI");
JTextField display = new JTextField("0.0");
//add(display, BorderLayout.NORTH);
//setLayout(new GridLayout(2,1));

JPanel p1 = new JPanel();
p1.setBackground(Color.WHITE);
p1.setLayout(new GridLayout(4,1));


JButton bmc = new JButton("MC");
JButton bmr = new JButton("MR");
JButton bms = new JButton("MS");
JButton bmplus = new JButton("M+");
//p1.add(display, BorderLayout.NORTH);
//p1.add(display);
//p1.add(display, BorderLayout.PAGE_START);


p1.add(bmc, BorderLayout.LINE_START);
p1.add(bmr, BorderLayout.LINE_START);
p1.add(bms, BorderLayout.LINE_START);
p1.add(bmplus, BorderLayout.LINE_START);
add(p1, BorderLayout.LINE_START);

JPanel p2 = new JPanel();
p2.setBackground(Color.WHITE);
p2.setLayout(new GridLayout(4,4));

JButton b0 = new JButton("0");
JButton b1 = new JButton("1");
JButton b2 = new JButton("2");
JButton b3 = new JButton("3");
JButton b4 = new JButton("4");
JButton b5 = new JButton("5");
JButton b6 = new JButton("6");
JButton b7 = new JButton("7");
JButton b8 = new JButton("8");
JButton b9 = new JButton("9");
JButton badd = new JButton("+");
JButton bmul = new JButton("*");
JButton bsub = new JButton("-");
JButton bdiv = new JButton("/");
JButton bdot = new JButton(".");
JButton beq = new JButton("=");

p2.add(b7, BorderLayout.LINE_END);
p2.add(b8, BorderLayout.LINE_END);
p2.add(b9, BorderLayout.LINE_END);
p2.add(badd, BorderLayout.LINE_END);
p2.add(b4, BorderLayout.LINE_END);
p2.add(b5, BorderLayout.LINE_END);
p2.add(b6, BorderLayout.LINE_END);
p2.add(bsub, BorderLayout.LINE_END);
p2.add(b1, BorderLayout.LINE_END);
p2.add(b2, BorderLayout.LINE_END);
p2.add(b3, BorderLayout.LINE_END);
p2.add(bmul, BorderLayout.LINE_END);
p2.add(b0, BorderLayout.LINE_END);
p2.add(bdot, BorderLayout.LINE_END);
p2.add(beq, BorderLayout.LINE_END);
p2.add(bdiv, BorderLayout.LINE_END);
add(p2,BorderLayout.CENTER);

JToolBar toolbar = new JToolBar();
 toolbar.setRollover(true);
 JButton button = new JButton("File");
 toolbar.add(button);
 toolbar.addSeparator();
 toolbar.add(new JButton("Edit"));
 toolbar.addSeparator();
 toolbar.add(new JComboBox(new String[]{"Item 1", "Item 2", "Item 3"}));
 toolbar.addSeparator();
 add(toolbar, BorderLayout.NORTH);




 JToolBar tool = new JToolBar();
tool.add(new JButton(new ImageIcon("icon.gif")));
tool.addSeparator();
tool.add(new JButton(new ImageIcon("icon.gif")));
tool.add(new JButton(new ImageIcon("icon.gif")));




JPanel top = new JPanel();
top.setLayout(new BoxLayout(top, BoxLayout.Y_AXIS));
top.add(display);
top.add(toolbar);
top.add(tool);
add(top, BorderLayout.NORTH);



	}

public static void main(String[] args){
AppGUI frame = new AppGUI();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(600, 500);
frame.setVisible(true);


}
}