feat: Number of 1 Bits #232

Author: donghyeon95

number-of-1-bits/donghyeon95.java

@@ -0,0 +1,15 @@
+class Solution {
+	public int hammingWeight(int n) {
+		int mask = 1;
+		int result = 0;
+		while(n>0) {
+			if ((n & mask) == 1) {
+				result++;
+			}
+			n = n >> 1;
+		}
+
+		return result;
+	}
+}
+