Swap bits at even and odd position

Swap bits at even and odd position

  October 20, 2017    

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Code:

 public static int swapbits(int x)
     {
         int even=x&0xAAAAAAAA; // return set bits at even pos 0xAAAAAAAA is number havin 1 at even pos

         int odd=x&0x55555555; // return set bits at odd pos 0x55555555 is number havin 1 at odd pos

         even>>=1;
         odd<<=1;
         return (odd|even);
     }