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A comment on How to Swap two numbers without temp variable in Java. Parent comment

Re:How to Swap two numbers without temp variable in Java by imd on Tuesday February 26, 2013 @02:55PM (#5288062)
+/- doesn't fail in a language where + is addition modulo n.
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Re:How to Swap two numbers without temp variable in Java by jheriko on Wednesday March 06, 2013 @08:16AM (#5330986)
true, but lots of things work in special cases.
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