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Java Console Calculator

A simple console-based calculator built in Java.
It supports addition, subtraction, multiplication, and division with clean screen transitions after each operation.

Features

  • Four Basic Operations: Addition, Subtraction, Multiplication, Division.
  • Input Validation:
    • Re-prompts until a valid number or menu option is entered.
    • Gracefully handles non-numeric input.
  • Clear Screen Effect:
    • Uses ANSI escape codes to clear the console for a fresh view on each step.
  • Division Safety:
    • Checks for division by zero and shows an error instead of crashing.

Requirements

  • Java 8 or later.
  • Works best in a terminal that supports ANSI escape codes
    (e.g., Linux terminal, macOS Terminal, Windows 10+ PowerShell/CMD).

How to Run

  1. Save the file as ConsoleCalculator.java.
  2. Open a terminal in the file directory.
  3. Compile the program: 
    javac ConsoleCalculator.java