Gaji Karyawan

package karyawan;

public class gaji extends javax.swing.JFrame {

    public gaji() {

        initComponents();

    }

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

        int nilai1 = Integer.parseInt(anak.getText());

        double pajak= 0.15;

        if(status.isSelected()) {

            if(nilai1 >= 3){

                Double tot = Double.valueOf (pokok.getText()) +

                     Double.valueOf(pokok.getText())* pajak * 3 +

                  Integer.parseInt(bonus.getText());

                  total.setText(Double.toString(tot));

            }

            else if(nilai1 <= 2){ 

                Double tot = Double.valueOf (pokok.getText()) +

                        Double.valueOf (pokok.getText()) * pajak *

                Double.valueOf(anak.getText()) +

                Double.valueOf(bonus.getText());

              

                total.setText(Double.toString(tot));

            }    

                     

       }

         else{

               Double tot = Double.valueOf (pokok.getText()) +

                 Double.valueOf (pokok.getText()) * pajak  +

                Double.valueOf(bonus.getText());

                total.setText(Double.toString(tot));

            }          

       

    }

   

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

             

    }

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

          if(status.isSelected()){

        anak.setText("0");

        anak.setEditable(true);

        pasangan.setEditable(true);

        }

        else {

        anak.setText("0");

        anak.setEditable(false);

        pasangan.setEditable(false);}

        

       

    }

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

       

    }

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

       

    }

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

        pilihan.setText("Suami");

        anak.setText("0");

        anak.setEditable(false);

        pasangan.setEditable(false);

    }

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

        pilihan.setText("Istri");

        anak.setText("0");

        anak.setEditable(false);

        pasangan.setEditable(false);

    }

  

    public static void main(String args[]) {

      

        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {

                new gaji().setVisible(true);

            }

        });

    }

    // Variables declaration - do not modify

    private javax.swing.JTextField anak;

    private javax.swing.JTextField bonus;

    private javax.swing.ButtonGroup buttonGroup1;

    private javax.swing.JButton hitung;

    private javax.swing.JLabel jLabel1;

    private javax.swing.JLabel jLabel2;

    private javax.swing.JLabel jLabel3;

    private javax.swing.JLabel jLabel4;

    private javax.swing.JLabel jLabel5;

    private javax.swing.JLabel jLabel7;

    private javax.swing.JLabel jLabel8;

    private javax.swing.JRadioButton laki;

    private javax.swing.JTextField nama;

    private javax.swing.JTextField pasangan;

    private javax.swing.JRadioButton perempuan;

    private javax.swing.JLabel pilihan;

    private javax.swing.JTextField pokok;

    private javax.swing.JCheckBox status;

    private javax.swing.JTextField total;

  

}

Kalkulator

Aplikasinya bisa download disini

Array Dua Demensi

import java.io.*;

public class tipedouble {

public static void main(String[] args) {

//Array 2 demensi bertipe double

    double[][] M = new double[3][3];

        int i,j;

//input matriks

BufferedReader isi;

System.out.println("Input Elemen Matriks M[3][3]");

try {

isi = new BufferedReader(new InputStreamReader(System.in));

        for(i=0; i<3 i="i" span="span">

            for(j=0; j<3 j="j" span="span">

        System.out.print("M["+i+"]["+j+"] = ");

            M[i][j] = new Double(isi.readLine()).doubleValue();

    }

        System.out.println("\n");

    }

    } catch (Exception e ){

System.out.println("Input berupa angka aja");

}

//tampilkan isi matriks

    System.out.println("Isi Matriks M");

            for(i=0; i<3 i="i" span="span">

        for(j=0; j<3 j="j" span="span">

    System.out.print(M[i][j]+ "  ");

    }

    System.out.println("");

        }

    }

        }

Operator Relasi

public class tugas{

public static void main(String[] args){

int i = 310;

int j = 511;

int k = 166;

int pangkat = 2;

double x = 34.678;

double y = 5.45;

System.out.println("Nilai dalam variabel");

System.out.println("i = "+i);

System.out.println("j = "+j);

System.out.println("k = "+k);

System.out.println("x = "+x);

System.out.println("y = "+y);

System.out.println("contoh penjumlahan");

System.out.println("i + j = "+(i+j));

System.out.println("x + y = "+(x+y));

System.out.println("contoh pengurangan");

System.out.println("i - j = "+(i-j));

System.out.println("x - y = "+(x-y));

System.out.println("contoh pembagian");

System.out.println("i : j = "+(i/j));

System.out.println("x : y = "+(x/y));

System.out.println("contoh perkalian");

System.out.println("i x j = "+(i*j));

System.out.println("x x y = "+(x*y));

System.out.println("Modulus");

System.out.println("i Mod j = "+(i%j));

System.out.println("i Mod k = "+(i%k));

System.out.println("j Mod k = "+(j%k));

System.out.println("x Mod y = "+(x%y));

System.out.println("Kuadrat");

System.out.println("i + j + k pangkat 2 = "+((int)Math.pow(i+j+k,pangkat)));

System.out.println("i + j pangkat 2     = "+((int)Math.pow(i+j,pangkat)));

System.out.println("x + y pangkat 2     = "+(Math.pow(x+y,pangkat)));

System.out.println("i - j pangkat 2     = "+((int)Math.pow(i-j,pangkat)));

System.out.println("i : j pangkat 2     = "+((int)Math.pow(i/j,pangkat)));

System.out.println("i * j pangkat 2     = "+((int)Math.pow(i*j,pangkat)));

}

}