CoderCharts:Bits Manipulation

gistfile1.java

import java.io.*;
import java.util.*;
public class bits_manipulation
{
	public static void main(String[] args) throws Exception 
	{
		Scanner sc=new Scanner(new File(args[0]));
		long a,res=0;int x,i=0;
		while(sc.hasNext())
		{
			a=sc.nextLong();
			res=((a&0xaaaaaaaa)>>1)|((a&0x55555555)<<1);
			System.out.println(res);
		} 
  	}
}