Soduko-solver.java

class Solution {
public void solveSudoku(char[][] board)
{
solvsss(board);
}
public boolean solvsss(char[][] board)
{
for(int i=0;i<board.length;i++)
{
for(int j=0;j<board[i].length;j++)
{
if(board[i][j]=='.')
{
for(char c='1';c<='9';c++)
{
if(isValidSolv(board,i,j,c))
{
board[i][j]=c;
if(solvsss(board)==true)
{
return true;
}
else
{
board[i][j]='.';
}
}
}
return false;
}
}
 }
         return true;
        
    }
    public boolean isValidSolv(char[][] board,int row,int col,char c)
    {
        for(int i=0;i<9;i++)
        {
            if(board[row][i]==c)
            {
                return false;
            }
            else if(board[i][col]==c)
            {
                return false;
            }
            else if(board[3 * (row / 3) + i / 3][3 * (col / 3) + i % 3] == c)
            {
                return false;
            }
        }
        return true;
    }
}