Method countOnes

java/Chapter 5/Question5_3/Question.java:5–14

(int i)

public class Question {

	public static int countOnes(int i) {
		int count = 0;
		while (i > 0) {
			if ((i & 1) == 1) {
				count++;
			}
			i = i >> 1;
		}
		return count;
	}
	
	public static int countZeros(int i) {
		return 32 - countOnes(i);