import static java.lang.Long.*;

public class TryBitMethods {
  public static void main(String[] args) {
    long number = 0xF000_0000_0000_000FL;
    System.out.println("number:\n" + toBinaryString(number));
    long result = rotateLeft(number,2);    
    System.out.println("number rotated left 2 bits:\n" + toBinaryString(result));
    result = rotateRight(number, 3);
    System.out.println("number rotated right 3 bits:\n" + toBinaryString(result));
    result = reverse(result);
    System.out.println("Previous result reversed:\n" + toBinaryString(result));
    System.out.println("Bit count in number:\n" + bitCount(number));
  }
}