check if number is power of 2 java code example

Example 1: java is power of 2

boolean result = number > 0 && ((number & (number - 1)) == 0);

Example 2: how to check if a number is a power of 2 java

//create a boolean method that checks if number is a power of 2 by using modulus
public static boolean powerOfTwoGeneral(int n)
 {
 while(n%2==0)
 {
 n=n/2;
 }
 if(n==1)
 {
 return true;
 }
 else
 {
 return false;
 }
 }