dizi sorusu yardım

 
 public class SumOfColumn{ 
  
      public static void main(String []args){ 
         int[][] arr = {{1,2,3},{4,5,6},{0,0,9},{10,11,12},{4,3,2},{16,17,18}}; 
         int sum = 0; 
         int counter = 0; 
         for (int i=0; i<6; i++){ 
             for(int j=0; j<3; j++) 
                 sum += arr[i][j]; 
             if (sum >= 10){ 
                 System.out.printf("Sum of the element of %d. column is %d\n",i+1,sum); 
                 counter++; 
             } 
             sum = 0; 
         } 
         System.out.printf("Matrix has the %d column which the sum of elements is greater than 10",counter); 
      } 
 }