JAVA GUI : برنامج لايجاد ناتج الطرح او الضرب لعددين (اعداد الطالبة نغم عبده ^^)

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import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

/**

*

* @author Abdo

*/

public class NewClass {

int num1 = 0;

int num2 = 0;

JFrame frame;

JPanel panel;

JTextField text;

JTextField text1;

JLabel label;

JButton sub;

JButton mult;

NewClass (){

frame = new JFrame();

GridLayout a = new GridLayout(3 ,2,18,18);

panel = new JPanel(a);

text = new JTextField();

text1 = new JTextField();

sub = new JButton("-");

mult = new JButton("X");

label = new JLabel();

label.setText(Integer.toString(num1-num2));

sub.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

{

num1=Integer.parseInt(text.getText());

num2=Integer.parseInt(text1.getText());

label.setText(Integer.toString(num1-num2));

}}

);

mult.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

{

num1=Integer.parseInt(text.getText());

num2=Integer.parseInt(text1.getText());

label.setText(Integer.toString(num1*num2));

}}

);

panel.add(text);

panel.add(text1);

panel.add(sub);

panel.add(mult);

panel.add(label);

frame.setTitle("sub & multi");

frame.add(panel);

frame.setSize(300,200);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setResizable(false);

frame.setVisible(true);

}

public static void main(String[] args) {

new NewClass ();

}

}