This repository contains a Java-based Sudoku generator and solver. The program generates a valid Sudoku puzzle, allows users to solve it interactively, and provides the solution upon request.
- Generates a valid Sudoku puzzle.
- Interactive user input for solving the puzzle.
- Provides the solution when requested.
- Ensures no duplicate numbers in rows, columns, or subgrids.
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Clone the repository:
git clone https://github.com/Leshoraa/Sudoku-java.git cd Sudoku-java -
Compile the Java program:
javac Sudoku.java
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Run the program:
java Sudoku
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Follow the prompts:
- The program will display the generated Sudoku puzzle.
- You can choose to solve the puzzle yourself or see the solution.
- If you choose to solve it yourself, input coordinates and numbers in the format
A1 5. - To see the solution at any time, input
bot.
A B C D E F G H I
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1 | 3 . . | . . 4 | 6 . 8 |
2 | 2 . . | 1 . . | . . 5 |
3 | 8 . . | 9 5 3 | . 2 4 |
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4 | 1 5 . | . . 7 | 9 4 . |
5 | . 2 3 | 8 6 . | . 1 . |
6 | . . 9 | . 4 1 | 2 8 3 |
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7 | 5 . 2 | . . 8 | . . . |
8 | 9 . . | 7 1 . | . 3 . |
9 | . . 1 | . 3 2 | 4 5 . |
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Solve by yourself? (y/n): y
Input coordinate and number (ex: A1 5): A1 3
Input coordinate and number (ex: A1 5): bot
Solution:
A B C D E F G H I
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1 | 3 1 5 | 6 7 4 | 6 9 8 |
2 | 2 6 4 | 1 8 9 | 7 3 5 |
3 | 8 9 7 | 9 5 3 | 1 2 4 |
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4 | 1 5 8 | 2 3 7 | 9 4 6 |
5 | 4 2 3 | 8 6 5 | 7 1 9 |
6 | 7 6 9 | 4 4 1 | 2 8 3 |
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7 | 5 3 2 | 4 9 8 | 6 7 1 |
8 | 9 8 6 | 7 1 2 | 5 3 2 |
9 | 6 4 1 | 5 3 2 | 4 5 7 |
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This project is licensed under the MIT License. See the LICENSE file for details.