% java IntArrayWorkerTester
This should have all 1's in first row and all 2's in second
1 1 1 
2 2 2 

fills with 2's on diagonal, 3's to left, and 1's to right
2 1 1 1 
3 2 1 1 
3 3 2 1 

Count should be 6 and count is 6
Total should be 21 and is 21
Total should be 21 and is 21
Largest should be 6 and is 6
Largest should be 6 and is 6
Largest should be 6 and is 6
Largest should be 6 and is 6
Total for column 0 should be 5 and is 5
Total for column 1 should be 7 and is 7
Total for column 2 should be 9 and is 9

Array before reverseRows:
1 2 3 4 
5 6 7 8 

Array after reverseRows:
4 3 2 1 
8 7 6 5