Java Calculator Demo
====================

A minimal Java project for demonstrating a GitHub repository setup.

Files
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- Calculator.java : A simple calculator class with add, subtract, multiply,
                     and divide operations (includes divide-by-zero handling).
- Main.java        : Entry point that demonstrates using the Calculator class.

How to Run
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1. Compile the files:
   javac Main.java Calculator.java

2. Run the program:
   java Main

Expected Output
---------------
Calculator Demo
a = 12.0, b = 4.0
a + b = 16.0
a - b = 8.0
a * b = 48.0
a / b = 3.0
Error caught: Cannot divide by zero

License
-------
This project is provided as-is for demonstration purposes.