package assignment1_main;

import javax.swing.*;

import java.awt.*;

import java.awt.event.*

; /** * * @author willi

public class Calculator extends JFrame {

JTextField xInput, y

Input, answer;

public Calculator() {

super();

init();

}

/** * */

private void init() {

JButton jbtadd = new JButton("+");

JButton jbtsub = new JButton("-");

JButton jbtmul = new JButton("x");

JButton jbtdiv = new JButton("/");

JPanel p1 = new JPanel();

p1.setLayout(new GridLayout(1, 4))

;p1.add(jbtadd);

p1.add(jbtsub);

p1.add(jbtmul);

p1.add(jbtdiv);

JLabel firstNum = new JLabel("Enter first number");

JTextField xInput = new JTextField("", 3);

JLabel secNum = new JLabel("Enter second number");

JTextField yInput = new JTextField("", 3);

JLabel equals = new JLabel("Answer:");

JTextField answer = new JTextField("", 8)

; MultiplyButton multiply = new MultiplyButton();

jbtmul.addActionListener(multiply);

DivideButton divide = new DivideButton();

jbtdiv.addActionListener(divide);

AddButton add = new AddButton();

jbtadd.addActionListener(add);

SubtractButton subtract = new SubtractButton();

jbtsub.addActionListener(subtract);

JPanel p2 = new JPanel();

p2.setLayout(new FlowLayout());

p2.add(firstNum); p2.add(xInput);

p2.add(secNum); p2.add(yInput)

; p2.add(equals); p2.add(answer);

p2.add(p1); add(p2);

xInput.requestFocus();

}

private class DivideButton implements ActionListener {

@Override public void actionPerformed(ActionEvent e) {

}

}

private class MultiplyButton implements ActionListener {

@Override public void actionPerformed(ActionEvent e)

{

}

}

private class AddButton implements ActionListener {

@Override public void actionPerformed(ActionEvent e) {

}

}

private class SubtractButton implements ActionListener {

@Override public void actionPerformed(ActionEvent e) {

}

}

}

Now how do I get the input to display in the answer textField?