C:\Users\tim\Desktop\project-09-GraphClass\solutions>java GraphTester graphdata.txt
 0 10 -1 -1 -1 -1  2 -1
-1  0 31 -1 -1 -1 -1 -1
-1 22  0 -1 -1 -1 -1 -1
-1 -1 -1  0 -1 11 -1 -1
 9 56 -1 13  0 -1 -1 -1
-1 -1 25 -1 -1  0 15 -1
-1  6 -1 -1 -1 -1  0 22
12 -1 -1 -1 -1  1 -1  0

maxOutDegree: 3
minOutDegree: 1
maxInDegree: 4
minInDegree: 0
maxDegree: 5
minDegree: 2

removing edge 3 -> 5
Graph after removing edge 3 -> 5
 0 10 -1 -1 -1 -1  2 -1
-1  0 31 -1 -1 -1 -1 -1
-1 22  0 -1 -1 -1 -1 -1
-1 -1 -1  0 -1 -1 -1 -1
 9 56 -1 13  0 -1 -1 -1
-1 -1 25 -1 -1  0 15 -1
-1  6 -1 -1 -1 -1  0 22
12 -1 -1 -1 -1  1 -1  0

removing edge 6 -> 1
Graph after removing edge 6 -> 1
 0 10 -1 -1 -1 -1  2 -1
-1  0 31 -1 -1 -1 -1 -1
-1 22  0 -1 -1 -1 -1 -1
-1 -1 -1  0 -1 -1 -1 -1
 9 56 -1 13  0 -1 -1 -1
-1 -1 25 -1 -1  0 15 -1
-1 -1 -1 -1 -1 -1  0 22
12 -1 -1 -1 -1  1 -1  0

removing edge 17 -> 6
java.lang.Exception: Non Existent Edge Exception: removeEdge(17,6)

C:\Users\tim\Desktop\project-09-GraphClass\solutions>