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Swap Two Numbers without using Temp Variable [Tip/Trick]

18 Feb 2012 Updated: 18 Feb 2012 Rating: 5.00/5 Votes: 4 Popularity: 3.01

Licence: CPOL Views: 28,471 Bookmarked: 1 Downloaded: 0

You can do it with some XORs:int a = 25, b = 7;a = a ^ b;b = b ^ a;a = a ^ b;Or the same thing with some shorthand to make the code even harder to read:a ^= b;b ^= a;a ^= b;

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GregEllis

United States

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