CODE EXAMPLE FOR JAVA

solve the sudoku

//User function Template for Java

class Solution
{
    static boolean isSafe(int[][] grid,int row,int col,int v){
      for(int i=0;i<9;i++){
          if(grid[i][col]==v)return false;
          if(grid[row][i]==v)return false;
          if(grid[3*(row/3)+i/3][3*(col/3)+i%3]==v)return false;
      }
      return true;
  }
    //Function to find a solved Sudoku. 
    static boolean SolveSudoku(int grid[][])
    {
        // add your code here
        for(int i=0;i<9;i++){
          for(int j=0;j<9;j++){
              if(grid[i][j]==0){
                  for(int v = 1;v<=9;v++){
                      if(isSafe(grid,i,j,v)){
                          grid[i][j]=v;
                          if(SolveSudoku(grid)){
                              return true;
                          }
                          else{
                              grid[i][j]=0;
                          }
                      }
                  }
                  return false;
              }
          }
      }
      return true;
    }
    
    //Function to print grids of the Sudoku.
    static void printGrid (int grid[][])
    {
        // add your code here
        for(int i=0;i<9;i++){
          for(int j=0;j<9;j++){
              System.out.print(grid[i][j]+" ");
          }
         }
    }
}