Tuesday 22 August 2017

Java Swing Calculator Program | Java Swing Calculator Code Example | Java Swing Calculator Tutorial

                     In this post, we will see Java Swing Calculator Program | Java Swing Calculator Code Example | Java Swing Calculator Tutorial.

Watch following video:

Watch on YouTube: https://www.youtube.com/watch?v=HOVJ4Ab1E7E
                     To know what is Swing, how Swing is different from Applet, how to create Swing Application; check this post http://www.comrevo.com/2017/08/swing-in-java-with-example.html                    

                    To know how to generate event in Java Swing along with Java Swing program for addition of two numbers; check this post http://www.comrevo.com/2017/08/java-swing-program-for-addition-of-two-numbers.html 

                    Here, we will see Java Swing program for Calculator.  Go through the following example: 

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;

public class SwingCalculator

   public static void main(String args[])
       Abc obj=new Abc();

class Abc extends JFrame implements ActionListener

  JLabel l1,l2,l3;
  JTextField t1,t2;
  JButton b1,b2,b3,b4;
  public Abc()
     setLayout(new FlowLayout());

     l1=new JLabel("First Number:");

     t1=new JTextField(); 

     l2=new JLabel("Second Number:");

     t2=new JTextField();

     b1=new JButton("Add");

     b2=new JButton("Sub");
     b3=new JButton("Mul");
     b4=new JButton("Div");

     l3=new JLabel("Result");






 public void actionPerformed(ActionEvent ae)

    Double num1=Double.parseDouble(t1.getText());
    Double num2=Double.parseDouble(t2.getText());
       Double value=num1+num2;
       Double value=num1-num2;
       Double value=num1*num2;
       Double value=num1/num2;


How To Run:
parag@parag-Inspiron-N4010:~/Desktop/prog$ javac SwingCalculator.java 
parag@parag-Inspiron-N4010:~/Desktop/prog$ java SwingCalculator



                 Check MouseListener example in Java Swing in this post http://www.comrevo.com/2017/08/java-swing-mouselistener-example.html  

                 Check Java Swing program for using CheckBox component in this post http://www.comrevo.com/2017/08/java-swing-checkbox-example.html

                 Check Java Swing program for using Radio Buttons in this post http://www.comrevo.com/2017/08/java-swing-radio-button-example.html

                 Check other posts on Java Programming in this link http://www.comrevo.com/2017/08/java-programming.html

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