hourglass_challenge_java

Input : 1 1 1 0 0 
        0 1 0 0 0 
        1 1 1 0 0 
        0 0 0 0 0 
        0 0 0 0 0 
Output : 7
Below is the hour glass with
maximum sum:
1 1 1 
  1
1 1 1
                                                      
Input : 0 3 0 0 0
        0 1 0 0 0
        1 1 1 0 0
        0 0 2 4 4
        0 0 0 2 4
Output : 11
Below is the hour glass wuth
maximum sum
1 0 0
  4
0 2 4