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Answers and rating deltas for

Java supports pass-by-value. But can't make out the reason of the below code

Author Votes Δ
Pino 2 +3.67
Ahmad 1 +1.81
Max Beikirch 0 -2.91
Vitaly 0 -2.57
Last visited: Sep 14, 2014, 5:07:29 AM