text: Count set bits in an integer | C # program to Count set bits in an integer ; Function to get no of set bits in binary representation of positive integer n ; Driver Code
code: using System ; class GFG { static int countSetBits ( int n ) { int count = 0 ; while ( n > 0 ) { count += n & 1 ; n >>= 1 ; } return count ; } public static void Main ( ) { int i = 9 ; Console . Write ( countSetBits ( i ) ) ; } }