Before: x == 3, y == 3
Executed: y++;
After: x == 3, y == 4
Before: a == [1,1,1] b == [1,1,1]
Executed: b[0]++;
After: a == [2,1,1] b == [2,1,1]
Before: start == Tue Sep 23 16:04:02 EDT 2008
        end == Tue Sep 23 16:04:02 EDT 2008
Executed: end.setTime(0);
After: start == Wed Dec 31 19:00:00 EST 1969
        end == Wed Dec 31 19:00:00 EST 1969