Java Compare, Check Positivity and Simple Calculator

This repository contains 3 small Java problems solved in a single program (Main.java).
The program uses Scanner to take input from the user and prints the result for each problem.

Problems

1. Compare Two Numbers

   • Input: Two integers
   • Output: Which one is greater, or if they are equal

2. Check Positivity

   • Input: One integer
   • Output: Whether the number is positive, negative, or zero

3. Simple Calculator

   • Input: Two integers and an operator (+ or -)
   • Output: The result of the calculation

How to Run

1. Install Java (JDK 17 or later recommended).
2. Compile the program:

   javac Main.java