Minggu, 09 November 2014

Program Kalkulator Sederhana

Display :




Design :




Source code :
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author DesDesianny
 */
public class TampilanKalkulator extends javax.swing.JFrame {

    String angka;
    double jumlah,angka1,angka2;
    int pilih;
   
    public TampilanKalkulator() {
        initComponents();
        angka=" ";
        display.setText(angka);
    }

    /**
     * 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() {

        display = new javax.swing.JTextField();
        btnHapus = new javax.swing.JButton();
        btnSamadengan = new javax.swing.JButton();
        btnAngka1 = new javax.swing.JButton();
        btnAngka2 = new javax.swing.JButton();
        btnAngka3 = new javax.swing.JButton();
        btnAngka4 = new javax.swing.JButton();
        btnAngka5 = new javax.swing.JButton();
        btnAngka6 = new javax.swing.JButton();
        btnAngka7 = new javax.swing.JButton();
        btnAngka8 = new javax.swing.JButton();
        btnAngka9 = new javax.swing.JButton();
        btnAngka0 = new javax.swing.JButton();
        btnTambah = new javax.swing.JButton();
        btnKurang = new javax.swing.JButton();
        btnKali = new javax.swing.JButton();
        btnBagi = new javax.swing.JButton();
        btnKoma = new javax.swing.JButton();
        judul = new javax.swing.JLabel();
        nama = new javax.swing.JLabel();
        btnSin = new javax.swing.JButton();
        btnCos = new javax.swing.JButton();
        btnTan = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setBackground(new java.awt.Color(255, 255, 255));
        getContentPane().setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout());

        display.setEditable(false);
        display.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        display.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                displayActionPerformed(evt);
            }
        });
        getContentPane().add(display, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 40, 340, 40));

        btnHapus.setText("C");
        btnHapus.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnHapusActionPerformed(evt);
            }
        });
        getContentPane().add(btnHapus, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 93, 190, 30));

        btnSamadengan.setText("=");
        btnSamadengan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSamadenganActionPerformed(evt);
            }
        });
        getContentPane().add(btnSamadengan, new org.netbeans.lib.awtextra.AbsoluteConstraints(240, 93, 130, 30));

        btnAngka1.setText("1");
        btnAngka1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka1ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka1, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 130, 70, 30));

        btnAngka2.setText("2");
        btnAngka2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka2ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka2, new org.netbeans.lib.awtextra.AbsoluteConstraints(110, 130, 70, 30));

        btnAngka3.setText("3");
        btnAngka3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka3ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka3, new org.netbeans.lib.awtextra.AbsoluteConstraints(190, 130, 70, 30));

        btnAngka4.setText("4");
        btnAngka4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka4ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka4, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 170, 70, 30));

        btnAngka5.setText("5");
        btnAngka5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka5ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka5, new org.netbeans.lib.awtextra.AbsoluteConstraints(110, 170, 70, 30));

        btnAngka6.setText("6");
        btnAngka6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka6ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka6, new org.netbeans.lib.awtextra.AbsoluteConstraints(190, 170, 70, 30));

        btnAngka7.setText("7");
        btnAngka7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka7ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka7, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 210, 70, 30));

        btnAngka8.setText("8");
        btnAngka8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka8ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka8, new org.netbeans.lib.awtextra.AbsoluteConstraints(110, 210, 70, 30));

        btnAngka9.setText("9");
        btnAngka9.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka9ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka9, new org.netbeans.lib.awtextra.AbsoluteConstraints(190, 210, 70, 30));

        btnAngka0.setText("0");
        btnAngka0.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnAngka0ActionPerformed(evt);
            }
        });
        getContentPane().add(btnAngka0, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 250, 150, 30));

        btnTambah.setText("+");
        btnTambah.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnTambahActionPerformed(evt);
            }
        });
        getContentPane().add(btnTambah, new org.netbeans.lib.awtextra.AbsoluteConstraints(280, 130, 90, 30));

        btnKurang.setText("-");
        btnKurang.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKurangActionPerformed(evt);
            }
        });
        getContentPane().add(btnKurang, new org.netbeans.lib.awtextra.AbsoluteConstraints(280, 170, 90, 30));

        btnKali.setText("x");
        btnKali.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKaliActionPerformed(evt);
            }
        });
        getContentPane().add(btnKali, new org.netbeans.lib.awtextra.AbsoluteConstraints(280, 210, 90, 30));

        btnBagi.setText("/");
        btnBagi.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnBagiActionPerformed(evt);
            }
        });
        getContentPane().add(btnBagi, new org.netbeans.lib.awtextra.AbsoluteConstraints(280, 250, 90, 30));

        btnKoma.setText(".");
        btnKoma.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKomaActionPerformed(evt);
            }
        });
        getContentPane().add(btnKoma, new org.netbeans.lib.awtextra.AbsoluteConstraints(190, 250, 70, 30));

        judul.setFont(new java.awt.Font("Comic Sans MS", 0, 14)); // NOI18N
        judul.setText("PROGRAM KALKULATOR");
        getContentPane().add(judul, new org.netbeans.lib.awtextra.AbsoluteConstraints(110, 10, -1, 30));

        nama.setFont(new java.awt.Font("Comic Sans MS", 0, 12)); // NOI18N
        nama.setText("Desianny Amalia F. (5302413085)");
        getContentPane().add(nama, new org.netbeans.lib.awtextra.AbsoluteConstraints(100, 350, -1, 30));

        btnSin.setText("Sin");
        btnSin.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSinActionPerformed(evt);
            }
        });
        getContentPane().add(btnSin, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 300, 100, 30));

        btnCos.setText("Cos");
        btnCos.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnCosActionPerformed(evt);
            }
        });
        getContentPane().add(btnCos, new org.netbeans.lib.awtextra.AbsoluteConstraints(150, 300, 100, 30));

        btnTan.setText("Tan");
        btnTan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnTanActionPerformed(evt);
            }
        });
        getContentPane().add(btnTan, new org.netbeans.lib.awtextra.AbsoluteConstraints(270, 300, 100, 30));

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

    private void displayActionPerformed(java.awt.event.ActionEvent evt) {                                       
        // TODO add your handling code here:
    }                                      

    private void btnSamadenganActionPerformed(java.awt.event.ActionEvent evt) {                                             
        switch(pilih)
        {
            case 1: //pertambahan
                angka2 = Double.parseDouble(angka);
                jumlah = angka1 + angka2;
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
            case 2: //pengurangan
                angka2 = Double.parseDouble(angka);
                jumlah = angka1 - angka2;
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
            case 3: //perkalian
                angka2 = Double.parseDouble(angka);
                jumlah = angka1 * angka2;
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
            case 4: //pembagian
                angka2 = Double.parseDouble(angka);
                jumlah = angka1 / angka2;
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
            case 5://sin
                jumlah = Math.sin(Math.toRadians(angka1));
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
            case 6://cos
                jumlah = Math.cos(Math.toRadians(angka1));
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
            case 7://tan
                jumlah = Math.tan(Math.toRadians(angka1));
                angka = Double.toString(jumlah);
                display.setText(angka);
                break;
                default:
                break;
           }
    }                                            

    private void btnAngka2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "2";
        display.setText(angka);
    }                                        

    private void btnAngka3ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "3";
        display.setText(angka);
    }                                        

    private void btnAngka1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "1";
        display.setText(angka);
    }                                        

    private void btnAngka5ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "5";
        display.setText(angka);
    }                                        

    private void btnAngka4ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "4";
        display.setText(angka);
    }                                        

    private void btnAngka0ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "0";
        display.setText(angka);
    }                                        

    private void btnTambahActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka1=Double.parseDouble(angka);
        display.setText("+");
        angka="";
        pilih=1;
    }                                        

    private void btnKurangActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka1=Double.parseDouble(angka);
        display.setText("-");
        angka="";
        pilih=2;
    }                                        

    private void btnAngka6ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "6";
        display.setText(angka);
    }                                        

    private void btnAngka7ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "7";
        display.setText(angka);
    }                                        

    private void btnAngka8ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "8";
        display.setText(angka);
    }                                        

    private void btnAngka9ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        angka += "9";
        display.setText(angka);
    }                                        

    private void btnKomaActionPerformed(java.awt.event.ActionEvent evt) {                                       
        angka += ".";
        display.setText(angka);
    }                                      

    private void btnHapusActionPerformed(java.awt.event.ActionEvent evt) {                                        
        display.setText("");
        angka1=0.0;
        angka2=0.0;
        jumlah=0.0;
        angka="";
    }                                       

    private void btnKaliActionPerformed(java.awt.event.ActionEvent evt) {                                       
        angka1=Double.parseDouble(angka);
        display.setText("*");
        angka="";
        pilih=3;
    }                                      

    private void btnBagiActionPerformed(java.awt.event.ActionEvent evt) {                                       
        angka1=Double.parseDouble(angka);
        display.setText("/");
        angka="";
        pilih=4;
    }                                      

    private void btnSinActionPerformed(java.awt.event.ActionEvent evt) {                                      
        angka1=Double.parseDouble(angka);
        display.setText ("SIN");
        angka= "";
        pilih=5;
    }                                     

    private void btnCosActionPerformed(java.awt.event.ActionEvent evt) {                                      
        angka1=Double.parseDouble(angka);
        display.setText ("COS");
        angka= "";
        pilih=6;
    }                                     

    private void btnTanActionPerformed(java.awt.event.ActionEvent evt) {                                      
        angka1=Double.parseDouble(angka);
        display.setText ("TAN");
        angka= "";
        pilih=7;
    }                                     

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(TampilanKalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(TampilanKalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(TampilanKalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(TampilanKalkulator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new TampilanKalkulator().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                    
    private javax.swing.JButton btnAngka0;
    private javax.swing.JButton btnAngka1;
    private javax.swing.JButton btnAngka2;
    private javax.swing.JButton btnAngka3;
    private javax.swing.JButton btnAngka4;
    private javax.swing.JButton btnAngka5;
    private javax.swing.JButton btnAngka6;
    private javax.swing.JButton btnAngka7;
    private javax.swing.JButton btnAngka8;
    private javax.swing.JButton btnAngka9;
    private javax.swing.JButton btnBagi;
    private javax.swing.JButton btnCos;
    private javax.swing.JButton btnHapus;
    private javax.swing.JButton btnKali;
    private javax.swing.JButton btnKoma;
    private javax.swing.JButton btnKurang;
    private javax.swing.JButton btnSamadengan;
    private javax.swing.JButton btnSin;
    private javax.swing.JButton btnTambah;
    private javax.swing.JButton btnTan;
    private javax.swing.JTextField display;
    private javax.swing.JLabel judul;
    private javax.swing.JLabel nama;
    // End of variables declaration                  
}

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