Java AWT Calculator

AWTCalculator is a simple yet powerful calculator application built using Java's Abstract Window Toolkit (AWT). It provides a user-friendly graphical interface for performing basic and advanced arithmetic operations. The application demonstrates the use of various AWT GUI components and event handling mechanisms in Java.

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Features

• Basic Arithmetic: Addition, subtraction, multiplication, division
• Advanced Operations: Percentage, square root, negative mark
• Clear Function: Reset all input and output fields
• Decimal Support: Input and calculation with floating-point numbers
• Theme Switching: Light and Dark mode for better user experience
• Responsive UI: Layout adapts to different screen sizes
• Keyboard & Mouse Support: All operations accessible via mouse clicks

Technologies Used

• Java AWT: For GUI components (Frame, Panel, Button, TextField, MenuBar, etc.)
• Event Handling: Uses ActionListener and WindowAdapter for user interaction
• Singleton Pattern: Ensures a single instance of the calculator logic
• Custom Styling: Colors, fonts, and layout for modern look

Screenshots

Light Theme

Dark Theme

How to Run

1. Clone the repository:

   git clone https://github.com/cusaldmsr/AWTCalculator.git
   cd AWTCalculator

2. Build the project:

   • Using NetBeans/IDE: Open the project and click "Build".
   • Using Ant (from terminal):

     ant jar

3. Run the application:

   • From IDE: Click "Run".
   • From terminal:

     java -jar dist/AWTCalculator.jar

Usage

• Click the number buttons to enter values.
• Use arithmetic operator buttons (+, -, ×, ÷) for calculations.
• Press = to get the result.
• Use C to clear the current input.
• Use √ for square root, % for percentage, and +/- to toggle negative values.
• Switch between Light and Dark mode from the "View" menu.

Code Structure

• src/gui/Calculator.java: Main application logic and GUI
• src/gui/cal: Singleton class handling calculator operations
• Resources/: Images for UI previews and contributors

Event Handling

• ActionListener: Handles button clicks and menu selections
• WindowAdapter: Handles window closing event

Contribution

Contributions are welcome! Please follow these steps:

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

Security Policy

See SECURITY.md for supported versions and vulnerability reporting.

License

This project is licensed under the MIT License.

Contributors

Cusaldmsr

Cusaldmzr

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Full Changelog: https://github.com/cusaldmsr/AWTCalculator/commits/v1.0.0

Contact

For any questions or issues, please open an issue on GitHub or contact the contributors directly.