Sudoku Solver (Java)

Overview

A console-based Sudoku solver implemented in Java using the backtracking algorithm. The program accepts user input for custom puzzles and prints the solved Sudoku board.

Features

• Input Sudoku puzzles row by row (use 0 for empty cells).
• Solves using efficient backtracking recursion.
• Modular code design for easy extension to GUI or automated puzzle generator.

Sample Input

0 0 3 0 2 0 6 0 0 9 0 0 3 0 5 0 0 1 0 0 1 8 0 6 4 0 0 ...

How to Run

1. Compile the program: javac SudokuSolver.java
2. Run the program: java SudokuSolver
3. Enter the puzzle row by row.

Technologies

• Java
• DSA - Backtracking
• VS Code