//Java program to check if the given number is power of 2 or not. import java.util.*; public class PowerOfTwo { public static void main(String[] args) { // TODO Auto-generated method stub int total=0; Scanner in = new Scanner(System.in); System.out.println("Enter the number to check"); int num = in.nextInt(); if(num<0){ System.out.println("Enter a proper number"); } while(num>1){ if(num%2!=0){ System.out.println("Number is not a power of 2"); } num = num/2; total++; } System.out.println("Number is power of 2"); System.out.println(total); } }