Java Swing Examples - Addition of Two Numbers - NetBeans - Internet & Web Programming Lab - Simple Java Swing Program

Java Swing Examples 

A Simple Java Swing Program - Addition of Two Numbers 

NetBeans - Internet & Web Programming Lab

Source code:

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * sw1.java
 *
 * Created on 29 Sep, 2011, 8:54:19 PM
 */

package swingexamples;

/**
 *
 * @author gcecse
 */
public class sw1 extends javax.swing.JFrame {

    /** Creates new form sw1 */
    public sw1() {
        initComponents();
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jTextField2 = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("Enter the first no:");

        jLabel2.setText("Enter the second no:");

        jButton1.setText("ADD");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("CLEAR");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(73, 73, 73)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 140, Short.MAX_VALUE))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(31, 31, 31)
                        .addComponent(jButton2)
                        .addGap(241, 241, 241))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 101, Short.MAX_VALUE)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(jTextField2, javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jTextField1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 101, Short.MAX_VALUE)))
                        .addContainerGap(307, Short.MAX_VALUE))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(53, 53, 53)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(34, 34, 34)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 21, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(77, 77, 77)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1)
                    .addComponent(jButton2))
                .addContainerGap(86, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         

        // TODO add your handling code here:
      float a=Float.parseFloat(jTextField1.getText());
      float b=Float.parseFloat(jTextField2.getText());
      float c=a+b;
      jLabel3.setText(Float.toString(c));
    }                                        

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        jTextField1.setText(null);
        jTextField2.setText(null);
        jLabel3.setText(null);
    }                                        

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new sw1().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    // End of variables declaration                   

}

Output:

Addition of Two Numbers - Java AWT Example - Internet & Web Programming Lab

Program:

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

class ex1 extends Frame implements ActionListener
{
 Label l1,l2,l3,l4;
 TextField t1,t2;
 Button b1,b2;
 ex1()
 {
   super("Addition of two numbers");
   setLayout(null);
   setSize(500,400);
   setVisible(true);
   l1=new Label("Enter the first no:");
   l2=new Label("Enter the second no:");
   l3=new Label("The sum is:");
   l4=new Label(null);
   t1=new TextField();
   t2=new TextField();
   b1=new Button("ADD");
   b2=new Button("Clear");
   l1.setBounds(100,50,120,20);
   add(l1);
   t1.setBounds(240,50,50,20);
   add(t1);
   l2.setBounds(100,80,130,20);
   add(l2);
   t2.setBounds(240,80,50,20);
   add(t2);
   l3.setBounds(100,110,100,20);
   add(l3);
   l4.setBounds(210,110,60,20);
   add(l4);
   b1.setBounds(200,150,50,20);
   add(b1);
   b2.setBounds(270,150,50,20);
   add(b2);
   b1.addActionListener(this);
   b2.addActionListener(this);
  
   addWindowListener( new WindowAdapter() {
    public void windowClosing(WindowEvent we)
    {
     System.exit(0);
    }
   });
 }

 public void actionPerformed(ActionEvent ae)
 {
  float a,b,c;
  if(ae.getSource()==b1)
  {
   a=Float.parseFloat(t1.getText().trim());
   b=Float.parseFloat(t2.getText().trim());
   c=a+b;
   l4.setText(Float.toString(c));
  }
  else
  {
   t1.setText(null);
   t2.setText(null);
   l4.setText(null);
  }
 }

 public static void main(String s[])
 {
  ex1 ob=new ex1();
 }
}

Output:

nn@linuxmint ~/Desktop/java 7 $ javac ex1.java
nn@linuxmint ~/Desktop/java 7 $ java ex1
nn@linuxmint ~/Desktop/java 7 $

Addition of n Numbers - Assembly Language - MASM

Program:
.model small
.stack 200H
.data
     msg1 DB 10,13,'Enter limit: $'
     msg2 DB 10,13,'Enter the numbers:  $'
     msg3 DB 10,13,'Sum = $'
     newline DB 10,13, ' $'
     sum DW 0

.code
    printstring MACRO msg     ;macro definition

                PUSH AX
                PUSH DX
                MOV AH,09H
                MOV DX,offset msg
                INT 21H
                POP DX
                POP AX
            ENDM

.startup

            printstring msg1          
            CALL readnumtoAX       ;enter the limit
            MOV CX,AX                    ;cx←limit
            printstring newline           
        printstring msg2
label1:      printstring newline
            CALL readnumtoAX       ;enter the no.s
               ADD sum,AX               ;sum=sum+ax
            DEC CX                          ;cx←cx-1
            JNZ label1               
            printstring newline
            printstring msg3            ;print sum
            MOV AX,sum
            CALL displayAX           
      
.exit




 readnumtoAX PROC NEAR
                                        ;procedure def. For reading-
            PUSH BX            ; char to ax register   
            PUSH CX
                MOV CX,10
            MOV BX,00
 back:     MOV AH,01H
                 INT 21H
                 CMP AL,'0'
                  JB skip
                 CMP AL,'9'
                 JA skip
                SUB AL,'0'
                PUSH AX
                MOV AX,BX
                MUL CX
                MOV BX,AX
                POP AX
                MOV AH,00
                ADD BX,AX
                JMP back
     skip:
                 MOV AX,BX
                 POP CX
                 POP BX
                 RET
     readnumtoAX ENDP


displayAX PROC NEAR
                           ;procedure def. For display
                           ;a character
            PUSH DX
            PUSH CX
            PUSH BX
            PUSH AX
            MOV CX,0
back1:      MOV BX,10
            MOV DX,0
            DIV BX
            PUSH DX
            INC CX
            OR AX,AX
            JNZ back1
back2:
            POP DX
            ADD DL,30H
            MOV AH,02H
            INT 21H
            LOOP back2
            POP AX
            POP BX
            POP CX
            POP DX
            RET
displayAX ENDP

END

Output:

Enter limit: 4

Enter the numbers:
 4
 5
 6
 7

Sum = 22

Addition of Two Numbers - Assembly Language - MASM

SUM OF TWO NUMBERS

Program:

.model small

.stack 200H

.data

   msg1 DB 10,13,'Enter the first no: $'

   msg2 DB 10,13,'Enter the second no: $'

   msg3 DB 10,13,'sum = $'

   newline DB 10,13, ' $'

.code

   print MACRO msg ;macro definition

   PUSH AX

   PUSH DX

   MOV AH,09H

   MOV DX,offset msg

   INT 21H

   POP DX

   POP AX

   ENDM

.startup

   print msg1

   CALL readnumtoAX

   MOV CX,AX

   print newline

   print msg2

   CALL readnumtoAX

   print newline

   print msg3

   ADD ax,cX

   CALL displayAX

.exit

readnumtoAX PROC NEAR

   PUSH BX

   PUSH CX

   MOV CX,10

   MOV BX,00

back:

   MOV AH,01H

   INT 21H

   CMP AL,'0'

   JB skip

   CMP AL,'9'

   JA skip

   SUB AL,'0'

   PUSH AX

   MOV AX,BX

   MUL CX

   MOV BX,AX

   POP AX

   MOV AH,00

   ADD BX,AX

   JMP back

skip:

   MOV AX,BX

   POP CX

   POP BX

   RET

readnumtoAX ENDP

displayAX PROC NEAR

   PUSH DX

   PUSH CX

   PUSH BX

   PUSH AX

   MOV CX,0

   MOV BX,10

back1:

   MOV DX,0

   DIV BX

   PUSH DX

   INC CX

   OR AX,AX

   JNZ back1

back2:

   POP DX

   ADD DL,30H

   MOV AH,02H

   INT 21H

   LOOP back2

   POP AX

   POP BX

   POP CX

   POP DX

   RET

  displayAX ENDP

end

Output:

F:\>adn1

Enter the first no: 27

Enter the second no: 32

sum = 59