Math Calculator in java programming (V64)

Example:
 

on value3 Properties uncheck on à

Source Code:

Import javax.swing.JOptionPane;

Source Code: Add Button

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private void btnAddActionPerformed(java.awt.event.ActionEvent evt) {                                       
        try {
            double num1 = Double.parseDouble(value1.getText());
            double num2 = Double.parseDouble(value2.getText());
            double result = num1 + num2;
            value3.setText(String.valueOf(result));
        } catch (NumberFormatException e) {
        JOptionPane.showMessageDialog(this, "Please enter valid numbers!");
        }
}                                                

Source Code: Subtract Button

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public class Student {
    // Method to print a message
    public void greet() {
        System.out.println("Hello! Welcome to Java Class.");
    }

    public static void main(String[] args) {
        Student s1 = new Student();  // Create object
        s1.greet();                  // Call the method
    }
}

Source Code: Multiply Button

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    private void btnMulActionPerformed(java.awt.event.ActionEvent evt) {                                       
        try {
            double num1 = Double.parseDouble(value1.getText());
            double num2 = Double.parseDouble(value2.getText());
            double result = num1 * num2;
            value3.setText(String.valueOf(result));
        } catch (NumberFormatException e) {
        JOptionPane.showMessageDialog(this, "Please enter valid numbers!");
        }
    } 

Source Code: Divide Button

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    private void btnDivActionPerformed(java.awt.event.ActionEvent evt) {                                       
        try {
            double num1 = Double.parseDouble(value1.getText());
            double num2 = Double.parseDouble(value2.getText());
            if (num2 != 0) {
                double result = num1 / num2;
                value3.setText(String.valueOf(result));
            } else {
                JOptionPane.showMessageDialog(this, "Cannot divide by zero!");
            }
        } catch (NumberFormatException e) {
            JOptionPane.showMessageDialog(this, "Please enter valid numbers!");
        }
    }  

Source Code: Clear Button

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    private void btnClearActionPerformed(java.awt.event.ActionEvent evt) {                                         
        value1.setText("");
        value2.setText("");
        value3.setText("");
    }  

Result:

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