Swap all odd and even bits | Java program to swap even and odd bits of a given number ; Function to swap even and odd bits ; Get all even bits of x ; Get all odd bits of x ; Right shift even bits ; Left shift odd bits ; Combine even and odd bits ; Driver program to test above function ; 00010111 ; Output is 43 ( 00101011 )
class GFG { static int swapBits ( int x ) { int even_bits = x & 0xAAAAAAAA ; int odd_bits = x & 0x55555555 ; even_bits >>= 1 ; odd_bits <<= 1 ; return ( even_bits odd_bits ) ; } public static void main ( String [ ] args ) { int x = 23 ; System . out . println ( swapBits ( x ) ) ; } }