It is built using Java Swing for GUI and basic Java I/O for file handling, making it an ideal academic project or starting point for more complex POS systems. ⚙️ Key Features 🖥️ Java Swing GUI: ...

A simple GUI-based calculator built with Java Swing, supporting basic arithmetic operations (addition, subtraction, multiplication, and division). It features a clean interface, a responsive layout, ...

showConfirmDialog(); showMessageDialog(); and showOptionDialog(). JOptionPane import and methods. For example, the following Java class uses JOptionPane’s showInputDialog() method to prompt for user ...