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Answers and rating deltas for

Why .substring() does not work well in my java proyect?

Author Votes Δ
acm 3 +4.14
Erwin Bolwidt 1 +0.05
Tantowi Mustofa 0 -2.29
Lucas Ross 0 -2.22
Last visited: Dec 6, 2016, 7:30:53 AM