Java-Programs/Bit_Manipulation/countNumOfOne.java at master · githubanalyzeruser/Java-Programs · GitHub

23 lines (21 loc) · 516 Bytes

package Bit_Manipulation;

import java.util.Scanner;

public class countNumOfOne {

public static void main(String... args){

Scanner sc=new Scanner(System.in);

System.out.println("Enter the Number: ");

int num=sc.nextInt();

System.out.print("The Number of one's in : "+num+" ("+Integer.toBinaryString(num)+")");

int result=countOne(num);

System.out.println(" is : "+result);

sc.close();

}

static int countOne(int n){

int count=0;

while(n>0){

n=n&(n-1);

count++;

}

return count;

}

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