comefrom: <awangdev>Swap Bits_1.java
code: public int swapOddEvenBits(int x) {
          return ((x & 0xaaaaaaaa) >>> 1) + ((x & 0x55555555) << 1);
      }
masked: public int sample_funcname ( int var_0 ) {
    return ( ( var_0 & 0xaaaaaaaa ) >>> 1 ) + ( ( var_0 & 0x55555555 ) << 1 ) ;
  }
  