NETBEANSBUSINESS CALCULATOR

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: double CP,Disc=0,SP; CP=Double.parseDouble(jTextField1.getText()); switch (jComboBox1.getSelectedIndex()) { case 0:Disc=5; break; case 1:Disc=10; break; case 2:Disc=15; break; case 3:Disc=20; break; default :Disc=0; break; } SP=CP+CP*(Disc/100); jTextField2.setText(""+SP); }

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: jTextField1.setText(""); jComboBox1.setSelectedIndex(0); jTextField2.setText(""); }METRO TICKET FARE

private void JButton1ActionPerformed(java.awt.event.ActionEvent evt) { int a, b, c, s = 0, fa=0; a = Integer.parseInt(JTextField1.getText());b = Integer.parseInt(JTextField2.getText());c = Integer.parseInt(JTextField3.getText()); fa = (a * 15) + (b * 13) + (c * 0); JTextField4.setText(Integer.toString(fa)); }

private void JButton2ActionPerformed(java.awt.event.ActionEvent evt) { System.exit(0);AVERAGE OF NUMBERS

private void JButton1ActionPerformed(java.awt.event.ActionEvent evt) { float N1, N2, N3; // Declare to hold three values float sum = 0, avg = 0, prod = 0; // Declare to calculate N1 = Float.parseFloat(JTextField1.getText()); N2 = Float.parseFloat(JTextField2.getText()); N3 = Float.parseFloat(JTextField3.getText()); // Total sum = N1 + N2 + N3; JTextField4.setText(Float.toString(sum)); }

private void JButton2ActionPerformed(java.awt.event.ActionEvent evt) { float avg = (Float.parseFloat(JTextField1.getText()) + Float.parseFloat(JTextField2.getText()) + Float.parseFloat(JTextField3.getText())) / 3; JTextField4.setText(Float.toString(avg)); }

private void JButton3ActionPerformed(java.awt.event.ActionEvent evt) { float prod = Float.parseFloat(JTextField1.getText()) * Float.parseFloat(JTextField2.getText()) * Float.parseFloat(JTextField3.getText()); JTextField4.setText(Float.toString(prod)); }

private void JButton4ActionPerformed(java.awt.event.ActionEvent evt) { System.exit(0);}HOTEL BILL

private void JButton2ActionPerformed(java.awt.event.ActionEvent evt) { // Clearing textboxes,radio buttons and check boxes. JTextField1.setText(""); JTextField2.setText(""); JTextField3.setText(""); JRadioButton1.setSelected(false); JRadioButton2.setSelected(false); JRadioButton3.setSelected(false); JRadioButton4.setSelected(false); JRadioButton5.setSelected(false); JRadioButton6.setSelected(false); } private void formWindowGainedFocus(java.awt.event.WindowEvent evt) { JTextField1.enable(false); JTextField3.enable(false); JTextField2.enable(false); } private void JButton1ActionPerformed(java.awt.event.ActionEvent evt) { // Assigning rate per day if (JRadioButton1.isSelected()) JTextField1.setText(Integer.toString(1500)); else if (JRadioButton2.isSelected()) JTextField1.setText(Integer.toString(2800)); else if (JRadioButton3.isSelected()) JTextField1.setText(Integer.toString(5000)); } private void JButton3ActionPerformed(java.awt.event.ActionEvent evt) { // Finding the cost of facility if (JRadioButton4.isSelected()) JTextField2.setText(Integer.toString(7000)); else if (JRadioButton5.isSelected()) JTextField2.setText(Integer.toString(2000)); else if (JRadioButton6.isSelected()) JTextField2.setText(Integer.toString(1000)); Double TAmount = (Double.parseDouble(JTextField1.getText()) * Double.parseDouble(txtDays.getText())) + Double.parseDouble(JTextField2.getText()); // Total amount JTextField3.setText(Double.toString(TAmount)); } private void JButton4ActionPerformed(java.awt.event.ActionEvent evt) { System.exit(0); }

HOSPITAL BILL

private void JButton2ActionPerformed(java.awt.event.ActionEvent evt) { JTextField1.setText(""); JTextField3.setText(""); JTextField2.setText(String.valueOf(0)); JTextField4.setText(String.valueOf(0)); JTextField5.setText(String.valueOf(0)); JTextField6.setText(String.valueOf(0)); JTextField7.setText(String.valueOf(0)); JTextField9.setText(String.valueOf(0)); JTextField12.setText(String.valueOf(0)); JTextField10.setText(String.valueOf(0)); JTextField8.setText(String.valueOf(0)); JTextField11.setText(String.valueOf(0)); // General category JRadioButton4.setSelected(true); }

private void JButton3ActionPerformed(java.awt.event.ActionEvent evt) { System.exit(0); }

private void JButton1ActionPerformed(java.awt.event.ActionEvent evt) { // Initializing variables for calculation // Variables are declared to process bill float sTotal = 0, tax = 0, TStayCharge = 0, Advance = 0, AmtToPay = 0; float charge = 0, DCharge=0, OTCharge = 0, MCharge = 0, PMeal; int days=0; days = Integer.parseInt(JTextField2.getText()); DCharge = Float.parseFloat(JTextField4.getText()); OTCharge = Float.parseFloat(JTextField5.getText()); MCharge = Float.parseFloat(JTextField6.getText()); PMeal = Float.parseFloat(JTextField7.getText()); Advance = Float.parseFloat(JTextField8.getText());

if (JRadioButton1.isSelected()) charge = 4000; else if (JRadioButton2.isSelected()) charge = 2000; else if (JRadioButton3.isSelected()) charge = 1000; else if (JRadioButton4.isSelected()) charge = 400; // Calculating Total Stay Charges TStayCharge = charge * days; // Calculating Sub Total sTotal = TStayCharge + DCharge + OTCharge + MCharge + PMeal; // Calculating Tax tax = sTotal * 12/100; // Calculating Amount to Pay AmtToPay = (sTotal + tax) - Advance; // Displaying details JTextField9.setText(String.valueOf(sTotal)); JTextField12.setText(String.valueOf(TStayCharge)); JTextField10.setText(String.valueOf(tax)); JTextField11.setText(String.valueOf(AmtToPay)); }