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package calculator;
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public class Calculator 

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{

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    public static void main(String[] args) throws Exception

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    {

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        MyCalculator ob = new MyCalculator();

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        ob.setVisible(true);

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    }

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}

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public class MyCalculator extends javax.swing.JFrame

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{

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    double num1,num2,result;

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    String n1,n2,nr;

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    /**

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     * Creates new form MyCalculator

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     */

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    public MyCalculator() throws Exception

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    {

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        initComponents();

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    }

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    /**

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     * This method is called from within the constructor to initialize the form.

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     * WARNING: Do NOT modify this code. The content of this method is always

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     * regenerated by the Form Editor.

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     */

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    @SuppressWarnings("unchecked")

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    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          

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    private void initComponents() {

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        num1TextField = new javax.swing.JTextField();

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        num2TextField = new javax.swing.JTextField();

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        resultTextField = new javax.swing.JTextField();

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        AddButton = new javax.swing.JButton();

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        SubstractButton = new javax.swing.JButton();

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        MultiplyButton = new javax.swing.JButton();

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        DivideButton = new javax.swing.JButton();

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        ModulusButton = new javax.swing.JButton();

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        PercentageButton = new javax.swing.JButton();

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        LogarithmButtom = new javax.swing.JButton();

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        KilometerToMileConvertButton = new javax.swing.JButton();

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        CelsiusToFahrenheitConvertButton = new javax.swing.JButton();

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        ClearButton = new javax.swing.JButton();

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        jLabel1 = new javax.swing.JLabel();

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        jLabel2 = new javax.swing.JLabel();

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        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

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        num1TextField.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                num1TextFieldActionPerformed(evt);

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            }

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        });

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        num2TextField.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                num2TextFieldActionPerformed(evt);

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            }

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        });

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        resultTextField.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                resultTextFieldActionPerformed(evt);

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            }

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        });

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        AddButton.setText("ADD");

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        AddButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                AddButtonActionPerformed(evt);

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            }

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        });

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        SubstractButton.setText("SUBSTRACT");

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        SubstractButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                SubstractButtonActionPerformed(evt);

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            }

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        });

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        MultiplyButton.setText("MULTIPLY");

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        MultiplyButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                MultiplyButtonActionPerformed(evt);

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            }

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        });

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        DivideButton.setText("DIVIDE");

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        DivideButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                DivideButtonActionPerformed(evt);

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            }

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        });

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        ModulusButton.setText("MODULUS");

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        ModulusButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                ModulusButtonActionPerformed(evt);

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            }

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        });

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        PercentageButton.setText("PERCENTAGE");

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        PercentageButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                PercentageButtonActionPerformed(evt);

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            }

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        });

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        LogarithmButtom.setText("LOGARITHM");

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        LogarithmButtom.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                LogarithmButtomActionPerformed(evt);

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            }

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        });

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        KilometerToMileConvertButton.setText("KM --> MILE");

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        KilometerToMileConvertButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                KilometerToMileConvertButtonActionPerformed(evt);

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            }

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        });

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        CelsiusToFahrenheitConvertButton.setText("*C --> *F");

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        CelsiusToFahrenheitConvertButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                CelsiusToFahrenheitConvertButtonActionPerformed(evt);

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            }

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        });

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        ClearButton.setText("CLEAR");

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        ClearButton.addActionListener(new java.awt.event.ActionListener() {

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            public void actionPerformed(java.awt.event.ActionEvent evt) {

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                ClearButtonActionPerformed(evt);

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            }

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        });

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        jLabel1.setText("Operation :");

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        jLabel2.setText("Convert:");

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        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

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        getContentPane().setLayout(layout);

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        layout.setHorizontalGroup(

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            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

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            .addGroup(layout.createSequentialGroup()

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                .addGap(22, 22, 22)

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                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

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                    .addGroup(layout.createSequentialGroup()

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                        .addComponent(ClearButton, javax.swing.GroupLayout.PREFERRED_SIZE, 101, javax.swing.GroupLayout.PREFERRED_SIZE)

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                        .addContainerGap())

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                    .addGroup(layout.createSequentialGroup()

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                        .addGap(0, 0, Short.MAX_VALUE)

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                        .addComponent(num1TextField, javax.swing.GroupLayout.PREFERRED_SIZE, 139, javax.swing.GroupLayout.PREFERRED_SIZE)

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                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                        .addComponent(num2TextField, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE)

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                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                        .addComponent(resultTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 156, javax.swing.GroupLayout.PREFERRED_SIZE)

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                        .addContainerGap(60, Short.MAX_VALUE))

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                    .addGroup(layout.createSequentialGroup()

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                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)

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                            .addComponent(ModulusButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE)

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                            .addComponent(AddButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE)

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                            .addComponent(KilometerToMileConvertButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE))

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                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

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                            .addGroup(layout.createSequentialGroup()

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                                .addComponent(CelsiusToFahrenheitConvertButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE)

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                                .addGap(0, 0, Short.MAX_VALUE))

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                            .addGroup(layout.createSequentialGroup()

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                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

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                                    .addGroup(layout.createSequentialGroup()

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                                        .addComponent(SubstractButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE)

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                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                                        .addComponent(MultiplyButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE)

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                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                                        .addComponent(DivideButton, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE))

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                                    .addGroup(layout.createSequentialGroup()

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                                        .addComponent(PercentageButton)

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                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                                        .addComponent(LogarithmButtom, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE)))

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                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))))

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            .addGroup(layout.createSequentialGroup()

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                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

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                    .addGroup(layout.createSequentialGroup()

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                        .addGap(36, 36, 36)

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                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 85, javax.swing.GroupLayout.PREFERRED_SIZE))

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                    .addGroup(layout.createSequentialGroup()

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                        .addGap(39, 39, 39)

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                        .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)))

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                .addGap(0, 0, Short.MAX_VALUE))

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        );

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        layout.setVerticalGroup(

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            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

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            .addGroup(layout.createSequentialGroup()

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                .addGap(20, 20, 20)

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                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

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                    .addComponent(num1TextField, javax.swing.GroupLayout.DEFAULT_SIZE, 55, Short.MAX_VALUE)

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                    .addComponent(num2TextField)

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                    .addComponent(resultTextField))

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                .addGap(14, 14, 14)

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                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE)

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                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

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                    .addComponent(AddButton)

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                    .addComponent(SubstractButton)

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                    .addComponent(MultiplyButton)

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                    .addComponent(DivideButton))

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                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

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                    .addComponent(ModulusButton)

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                    .addComponent(PercentageButton)

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                    .addComponent(LogarithmButtom))

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                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

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                .addComponent(jLabel2)

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                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

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                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

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                    .addComponent(KilometerToMileConvertButton)

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                    .addComponent(CelsiusToFahrenheitConvertButton))

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                .addGap(18, 18, 18)

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                .addComponent(ClearButton)

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                .addContainerGap(27, Short.MAX_VALUE))

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        );

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        pack();

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    }// </editor-fold>                        

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

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        // TODO add your handling code here:

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    }                                               

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    private void num2TextFieldActionPerformed(java.awt.event.ActionEvent evt) {                                              

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        // TODO add your handling code here:

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    }                                             

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

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        // TODO add your handling code here:

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        num1=Integer.parseInt(num1TextField.getText());

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        num2=Integer.parseInt(num2TextField.getText());

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        try

242
        {

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            result=num1/num2;

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        }

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        catch(Exception e)

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        {

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            System.out.println(""+e);

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            e.printStackTrace();

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        }

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        resultTextField.setText(""+result);

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    }                                            

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

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        // TODO add your handling code here:

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        num1=Integer.parseInt(num1TextField.getText());

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        num2=Integer.parseInt(num2TextField.getText());

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        result=num1+num2;

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        resultTextField.setText(""+result);

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    }                                         

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

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        // TODO add your handling code here:

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        num1=Integer.parseInt(num1TextField.getText());

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        num2=Integer.parseInt(num2TextField.getText());

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        result=num1%num2;

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        resultTextField.setText(""+result);

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    }                                             

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

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        // TODO add your handling code here:

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        num1=Integer.parseInt(num1TextField.getText());

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        num2=Integer.parseInt(num2TextField.getText());

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        result=num1*num2;

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        resultTextField.setText(""+result);

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    }                                              

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

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        // TODO add your handling code here:

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        num1=Integer.parseInt(num1TextField.getText());

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        num2=Integer.parseInt(num2TextField.getText());

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        result=num1-num2;

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        resultTextField.setText(""+result);

285
    }                                               

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

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        // TODO add your handling code here:

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        n1 = num1TextField.getText();

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        boolean f = true ;

291
        for(int i = 0 ; i<n1.length();i++){

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            if(n1.charAt(i)<'0' || n1.charAt(i)>'9'){

293
                f = false ;

294
                break;

295
            }

296
        }

297
        if(f){

298
            num1=Integer.parseInt(n1); ;

299
            result=num1*0.621371;

300
        }

301
        if(f)

302
            resultTextField.setText(""+result);

303
        else

304
            resultTextField.setText("invalid io.");

305
        

306
    }                                                            

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

309
        // TODO add your handling code here:

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        num1=Integer.parseInt(num1TextField.getText());

311
        num2=Integer.parseInt(num2TextField.getText());

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        result=(num1*num2)/100;

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        resultTextField.setText(""+result);

314
    }                                                

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

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        // TODO add your handling code here:

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        n1 = num1TextField.getText();

319
        boolean f = true ;

320
        for(int i = 0 ; i<n1.length();i++){

321
            if(n1.charAt(i)<'0' || n1.charAt(i)>'9'){

322
                f = false ;

323
                break;

324
            }

325
        }

326
        if(f){

327
            num1=Integer.parseInt(n1);

328
            result=Math.log(num1);

329
        }

330
        if(f)

331
            resultTextField.setText(""+result);

332
        else

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            resultTextField.setText("invalid io.");

334
    }                                               

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

337
        // TODO add your handling code here:

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        n1 = num1TextField.getText(); ;

339
        boolean f = true ;

340
        for(int i = 0 ; i<n1.length();i++){

341
            if(n1.charAt(i)<'0' || n1.charAt(i)>'9'){

342
                f = false ;

343
                break;

344
            }

345
        }

346
        if(f){

347
            num1=Integer.parseInt(n1); ;

348
            result=num1*33.8;

349
        }

350
        if(f)

351
            resultTextField.setText(""+result);

352
        else

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            resultTextField.setText("invalid io.");

354
        

355
        

356
    }                                                                

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358
    private void ClearButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            

359
        // TODO add your handling code here:

360
        num1TextField.setText("");

361
        num2TextField.setText("");

362
        resultTextField.setText("");

363
        

364
    }                                           

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    private void num1TextFieldActionPerformed(java.awt.event.ActionEvent evt) {                                              

367
        // TODO add your handling code here:

368
    }                                             

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370
    /**

371
     * @param args the command line arguments

372
     */

373
    public static void main(String args[]) {

374
        /* Set the Nimbus look and feel */

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        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">

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        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.

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         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 

378
         */

379
        try {

380
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {

381
                if ("Nimbus".equals(info.getName())) {

382
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());

383
                    break;

384
                }

385
            }

386
        } catch (ClassNotFoundException ex) {

387
            java.util.logging.Logger.getLogger(MyCalculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

388
        } catch (InstantiationException ex) {

389
            java.util.logging.Logger.getLogger(MyCalculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

390
        } catch (IllegalAccessException ex) {

391
            java.util.logging.Logger.getLogger(MyCalculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

392
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {

393
            java.util.logging.Logger.getLogger(MyCalculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

394
        }

395
        //</editor-fold>

396
397
        /* Create and display the form */

398
        java.awt.EventQueue.invokeLater(new Runnable() {

399
            public void run() {

400
                try {

401
                    new MyCalculator().setVisible(true);

402
                } catch (Exception ex) {

403
                    //Logger.getLogger(MyCalculator.class.getName()).log(Level.SEVERE, null, ex);

404
                    System.out.println(""+ex);

405
                    ex.printStackTrace();

406
                }

407
            }

408
        });

409
    }

410
411
    // Variables declaration - do not modify                     

412
    private javax.swing.JButton AddButton;

413
    private javax.swing.JButton CelsiusToFahrenheitConvertButton;

414
    private javax.swing.JButton ClearButton;

415
    private javax.swing.JButton DivideButton;

416
    private javax.swing.JButton KilometerToMileConvertButton;

417
    private javax.swing.JButton LogarithmButtom;

418
    private javax.swing.JButton ModulusButton;

419
    private javax.swing.JButton MultiplyButton;

420
    private javax.swing.JButton PercentageButton;

421
    private javax.swing.JButton SubstractButton;

422
    private javax.swing.JLabel jLabel1;

423
    private javax.swing.JLabel jLabel2;

424
    private javax.swing.JTextField num1TextField;

425
    private javax.swing.JTextField num2TextField;

426
    private javax.swing.JTextField resultTextField;

427
    // End of variables declaration                   

428
}
        

    


            


                                


        

            



                
    

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