wilson is stupid

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

public class GCalculator extends JFrame {

	private JButton num1, num2, num3, num4, num5, num6, num7, num8, num9, num0, plus, min, mult, divd, clear, sol, eql;

	private double TEMP;
	private double SolveTEMP;
	private JTextField jtfResult;

	String display = "";

	boolean addition = false;
	boolean subtraction = false;
	boolean divide = false;
	boolean multiply = false;

	public GCalculator(){

		//panel 1
		JPanel p1 = new JPanel();
		p1.setLayout(new GridLayout(4,3));
		p1.add(num9 = new JButton("9"));
		p1.add(num8 = new JButton("8"));
		p1.add(num7 = new JButton("7"));
		p1.add(num6 = new JButton("6"));
		p1.add(num5 = new JButton("5"));
		p1.add(num4 = new JButton("4"));
		p1.add(num3 = new JButton("3"));
		p1.add(num2 = new JButton("2"));
		p1.add(num1 = new JButton("1"));
		p1.add(clear = new JButton("C"));
		p1.add(num0 = new JButton("0"));

		//panel 2
		JPanel p2 = new JPanel();
		p2.setLayout(new FlowLayout());
		p2.add(jtfResult = new JTextField(20));
		jtfResult.setHorizontalAlignment(JTextField.RIGHT);
		jtfResult.setEditable(false);

		//panel 3
		JPanel p3 = new JPanel();
		p3.setLayout(new GridLayout (5,1));
		p3.add(plus = new JButton("+"));
		p3.add(min = new JButton("-"));
		p3.add(mult = new JButton("*"));
		p3.add(divd = new JButton("/"));
		p3.add(eql = new JButton("="));

		JPanel p = new JPanel();
		p.setLayout(new GridLayout());
		p.add(p2, BorderLayout.NORTH);
		p.add(p1, BorderLayout.SOUTH);
		p.add(p3, BorderLayout.EAST);

		add(p);

		num1.addActionListener(new ListenToOne());
		num2.addActionListener(new ListenToTwo());
		num3.addActionListener(new ListenToThree());
		num4.addActionListener(new ListenToFour());
		num5.addActionListener(new ListenToFive());
		num6.addActionListener(new ListenToSix());
		num7.addActionListener(new ListenToSeven());
		num8.addActionListener(new ListenToEight());
		num9.addActionListener(new ListenToNine());
		num0.addActionListener(new ListenToZero());
		plus.addActionListener(new ListenToPlus());
		min.addActionListener(new ListenToMin());
		mult.addActionListener(new ListenToMult());
		divd.addActionListener(new ListenToDivd());
		eql.addActionListener(new ListenToEqual());

	}

	public static void main(String[] args) {
		GCalculator calc = new GCalculator();
		calc.pack();
		calc.setLocationRelativeTo(null);
		calc.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		calc.setVisible(true);

	}

}