Sudoku Puzzle Solver | OOPS Assignment | 3rd Sem students | GM University Davangere

Описание: 🎯 Project Title: Sudoku Puzzle Solver – Object Oriented Programming using Java

👨‍💻 Project Developed By:
Aditya, Abhishek, Aman & Chandan
Department of Computer Science & Engineering
GMU University, Davangere

🎓 Course: Object-Oriented Programming (OOPS)
Guided by: Deepika M D

🧩 About the Project:

This project demonstrates how Object-Oriented Programming (OOP) concepts can be applied to solve real-world logical problems.
The Sudoku Puzzle Solver is implemented in Java using OOP principles such as Encapsulation, Abstraction, and Modularity.

It takes a 9×9 Sudoku grid as input (with zeros representing blanks) and uses a Backtracking Algorithm combined with Recursion to automatically solve the puzzle.
The program also validates input, prevents invalid entries, and displays both the input and solved Sudoku grids in a neatly formatted console layout.

⚙️ Key Features:

Accepts both manual and pasted Sudoku inputs

Automatically validates invalid or incomplete input

Solves puzzles instantly using recursive backtracking

Clean, box-formatted Sudoku grid display

Supports multiple puzzles in one session

Fully modular and reusable OOP design

🧠 Technologies Used:

Programming Language: Java

Paradigm: Object-Oriented Programming (OOP)

Algorithm: Backtracking & Recursion

IDE: VS Code

Works for puzzles of different difficulty levels: Easy, Medium, Hard
Handles invalid input gracefully with error prompts
Demonstrates real-time solving and formatted output

This project successfully applies OOP design principles and algorithmic logic to build a fully functional Sudoku solver.
It’s a great example of how structured programming and recursion can be combined to create intelligent solutions.
Future improvements include GUI development using JavaFX and random puzzle generation.

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