Thread: my code will not return everything...

hi, i have been looking at this code way to long! i have been playing with the return statement and i don't know what the problem is. i just want it to print the entire 9 by 9 text file that it reads. take a look at it thanks in advance! i will also attach an example of the type of copy of data or txt file it reads...

import java.util.*;
import java.io.*;
import javax.swing.JOptionPane;
 
public class SudokuSolverXXX{
public static void main (String [] args){
  String input = JOptionPane.showInputDialog("Enter the file path: ");
	String file_Name = new String(input); //String("input");
	int [][] s = new int[9][9];
	try{
		File q = new File(file_Name);
		Scanner fin = new Scanner(q);
		 for(int r = 0; r < s.length; ++r){
		   for(int c = 0; c < s[r].length; ++c){
		     s[r][c] = fin.nextInt();
			 }
	System.out.println(r);
		}
	}
 
	//System.out.println (s);
	catch (IOException e) {
		System.out.println( "The file path or name: "+input+", was not found! " );
	}
}
}

System.out.println(s);

You can't print the 2d array with such a simple statement. You need a loop.

How come you are using ++c (preincrement)) and not c++ ?

BTW, the puzzle cannot be solved. It isn't valid!

This code reads the attached file "sudoku.txt". Then it is supposed to print everything in the txt file to the console. as of now it prints this:
0
1
2
3
4
5
6
7
8


it should print:
9 8 3 1 0 0 9 0 6
6 0 0 9 0 6 8 0 0
6 7 0 0 0 8 5 1 2
6 4 7 0 0 0 3 0 0
5 0 0 0 5 0 0 0 1
4 0 8 0 0 0 7 4 0
3 1 2 5 0 0 8 9 0
2 0 5 4 0 7 1 0 0
8 0 6 0 0 1 0 5 9


--- Update ---

i know the puzzle cant be solved this is just a project it will in time tell me that it is not valid, but as of now im just trying to get it to return the entire puzzle as it is in the txt file.

Where is the code that prints each cell's value? I don't see it posted anywhere.

the goal is to print each cell's value that is what i need help with.

ok, i fixed it my self here is the code i wanted:

import java.util.*;
import java.io.*;
import javax.swing.JOptionPane;
 
public class SudokuSolverXXX{
public static void main (String [] args){
  String input = JOptionPane.showInputDialog("Enter the file path: ");
	String file_Name = new String(input); //String("input");
	int [][] s = new int[9][9];
	try{
		File q = new File(file_Name);
		Scanner fin = new Scanner(q);
		 for(int r = 0; r < s.length; ++r){
		   for(int c = 0; c < s[r].length; ++c){
		     s[r][c] = fin.nextInt();
			 }
			 //System.out.print(s[r][c]);
			 //System.out.print(" "+s[8][1]);
		}
		for(int u = 0; u < s.length; u++) {
 
				for(int a = 0; a < s[u].length; a++) {
 
					System.out.print(s[u][a] + " ");
 
				}
				System.out.println();
			}
		}
	catch (IOException e) {
		System.out.println( "Dude, the file path or name: "+input+", was not found! " );
	}
}
}