Pemrograman Java: Membuat Kalkulator Sederhana

Selamat malam sobat kali ini mumpung lagi semangat ngeposting saya akan share program sederhana untuk para sobat2 blogger... cekidooottt....

Source codenya:

import javax.swing.*;

import java.awt.event.*;

class calculator extends JFrame

{

    JLabel garis=new JLabel ("============================================");

    JLabel bawah=new JLabel ("============================================");

    JLabel judul=new JLabel ("By Noviyanto Fadholi | vian.missu@london.com");

    JLabel poli=new JLabel ("Teknik Informatika 2011/2012");

    JLabel nama=new JLabel ("Calculator Vr 1.0");

    JTextField data1=new JTextField(20);

    JTextField data2=new JTextField(20);

    JButton tambah=new JButton("+");

    JButton kurang=new JButton("-");

    JButton kali=new JButton("x");

    JButton bagi=new JButton("/");

    JButton sin=new JButton("Sin");

    JButton cosinus=new JButton("Cos");

    JButton tan=new JButton("Tan");

    JButton kuadrat=new JButton("X2");

    JButton log=new JButton("log");

    JButton persen=new JButton("%");

    JButton akar=new JButton("Akar");

      JTextField hasil=new JTextField(20);

      JButton exit=new JButton("EXIT");

      calculator(){

            setTitle("Calc Vr 1.0 | Power By VIAN");

            setLocation(500,250);

            setSize(350,350);

            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      }

      void komponenVisual(){

            getContentPane().setLayout(null);

        getContentPane().add(akar);

        akar.setBounds(165,215,105,20);

        getContentPane().add(persen);

        persen.setBounds(70,215,90,20);

        getContentPane().add(poli);

        poli.setBounds(72,270,310,20);

        getContentPane().add(bawah);

        bawah.setBounds(10,290,310,20);

        getContentPane().add(garis);

        garis.setBounds(10,50,310,20);

        getContentPane().add(judul);

        judul.setBounds(30,30,270,20);

        getContentPane().add(nama);

        nama.setBounds(117,10,120,20);

            getContentPane().add(data1);

            data1.setBounds(70,115,90,20);

            getContentPane().add(data2);

            data2.setBounds(165,115,105,20);

            getContentPane().add(tambah);

            tambah.setBounds(70,140,55,20);

            getContentPane().add(kurang);

            kurang.setBounds(130,140,55,20);

            getContentPane().add(kali);

            kali.setBounds(70,165,55,20);

            getContentPane().add(bagi);

            bagi.setBounds(130,165,55,20);

            getContentPane().add(sin);

            sin.setBounds(190,140,80,20);

            getContentPane().add(cosinus);

            cosinus.setBounds(190,165,80,20);

            getContentPane().add(tan);

            tan.setBounds(190,190,80,20);

            getContentPane().add(kuadrat);

            kuadrat.setBounds(70,190,55,20);

            getContentPane().add(log);

            log.setBounds(130,190,55,20);

            getContentPane().add(hasil);

            hasil.setBounds(70,90,200,20);

            getContentPane().add(exit);

            exit.setBounds(70,240,200,20);

            setVisible(true);

      }

      void AksiReaksi(){

            tambah.addActionListener(new ActionListener(){

                  public void actionPerformed(ActionEvent e){

                        int x=Integer.parseInt(data1.getText());

                        int y=Integer.parseInt(data2.getText());

                        String z=String.valueOf(x+y);

                hasil.setText(z);

                  }});

        kurang.addActionListener(new ActionListener(){

            public void actionPerformed(ActionEvent e){

               int a=Integer.parseInt(data1.getText());

                     int b=Integer.parseInt(data2.getText());

                     String c=String.valueOf(a-b);

                     hasil.setText(c);

             }});

        kali.addActionListener(new ActionListener(){

           public void actionPerformed(ActionEvent e){

              int r=Integer.parseInt(data1.getText());

                    int s=Integer.parseInt(data2.getText());

                  String t=String.valueOf(r*s);

                    hasil.setText(t);

            }});

      bagi.addActionListener(new ActionListener(){

            public void actionPerformed(ActionEvent e){

               int o=Integer.parseInt(data1.getText());

                     int p=Integer.parseInt(data2.getText());

                     String q=String.valueOf(o/p);

                     hasil.setText(q);

                  }});

      sin.addActionListener(new ActionListener(){

                 public void actionPerformed(ActionEvent e){

               double m=Integer.parseInt(data1.getText());

                     String k=String.valueOf(Math.sin(m));

                     hasil.setText(k);

           }});

      cosinus.addActionListener(new ActionListener(){

               public void actionPerformed(ActionEvent e){

               double m=Integer.parseInt(data1.getText());

                     String k=String.valueOf(Math.cos(m));

                     hasil.setText(k);

           }});

        tan.addActionListener(new ActionListener(){

               public void actionPerformed(ActionEvent e){

               double w=Integer.parseInt(data1.getText());

                     String d=String.valueOf(Math.tan(w));

                     hasil.setText(d);

           }});

        kuadrat.addActionListener(new ActionListener(){

               public void actionPerformed(ActionEvent e){

               int l=Integer.parseInt(data1.getText());

                     int j=Integer.parseInt(data2.getText());

                     String f=String.valueOf(Math.pow(l,j));

                     hasil.setText(f);

           }});

           log.addActionListener(new ActionListener(){

                 public void actionPerformed(ActionEvent e){

               double v=Integer.parseInt(data1.getText());

                     String i=String.valueOf(Math.log(v));

                     hasil.setText(i);

                   }});

          persen.addActionListener(new ActionListener(){

                 public void actionPerformed(ActionEvent e){

               double u=Integer.parseInt(data1.getText());

                     String o=String.valueOf(u/100);

                     hasil.setText(o);

                  }});

           akar.addActionListener(new ActionListener(){

                 public void actionPerformed(ActionEvent e){

               double r=Integer.parseInt(data1.getText());

                     String x=String.valueOf(Math.sqrt(r));

                     hasil.setText(x);

                        }});

            exit.addActionListener(new ActionListener(){

                  public void actionPerformed(ActionEvent e){

                        System.exit(0);

                  }});}

      public static void main(String args[])

      {

            calculator c=new calculator();

            c.komponenVisual();

            c.AksiReaksi();

      }}

Hasil outputnya: