DefenceSystem

A small Java desktop simulation that demonstrates defence vehicles (Helicopter, Tank, Submarine) and a control room using the Observer pattern.

Features

• Simple simulation of multiple vehicle types (Helicopter, Tank, Submarine).
• Observer pattern for updates and control.
• Built with Java and Ant; NetBeans project files are included.

Requirements

• Java 8 or newer
• Apache Ant (optional; NetBeans can build the project)

Building

From PowerShell in the project root (where build.xml is located):

ant -f build.xml

This will compile sources into build/classes.

Running

After building, run the main class. Example (PowerShell):

java -cp build/classes view.MainController

If you use NetBeans, open the project and run it from the IDE.

Project structure (key folders)

• src/ — Java source code
• build/ — compiled classes and build outputs
• nbproject/ — NetBeans project metadata

Contributing

Feel free to open issues or submit pull requests. Add tests under the test/ folder.

License

This project is available under the terms of the LICENSE file.

(Replace any placeholder author/name in the LICENSE file with the correct information.)