Java Swing - Sudoku Solver

Sudoku is a popular puzzle where you fill in numbers on a grid, trying to keep certain conditions true. To learn more about how Sudoku works, check out http://www.sudoku.com. You'll find a sample puzzle and an explanation of the rules. Write a program that reads a file containing an unfinished Sudoku puzzle, then solve it and display the results to the screen. The input should simply contain the numbers in the puzzle delimited by spaces on each line. For example, this puzzle: 1) You are given a 9x9 grid, with some squares filled in with positive integers in between 1 and 9, inclusive. 2) Your goal is to complete the grid with positive integers in between 1 and 9, inclusive, so that each row, column and mini 3x3 square that is designated contain each integer in the range 1 through 9 exactly once. Below is an example of a Sudoku puzzle: 9 3 6 As input, your program should read a file in the following format: 4 Sudoku is a popular puzzle where you fill in numbers on a grid, trying to keep certain conditions true. To learn more about how Sudoku works, check out http://www.sudoku.com. You'll find a sample puzzle and an explanation of the rules. Write a program that reads a file containing an unfinished Sudoku puzzle, then solve it and display the results to the screen. The input should simply contain the numbers in the puzzle delimited by spaces on each line. For example, this puzzle: 1) You are given a 9x9 grid, with some squares filled in with positive integers in between 1 and 9, inclusive. 2) Your goal is to complete the grid with positive integers in between 1 and 9, inclusive, so that each row, column and mini 3x3 square that is designated contain each integer in the range 1 through 9 exactly once. Below is an example of a Sudoku puzzle: 9 3 6 As input, your program should read a file in the following format: 4