number-of-1-bits solution

Author: Hoonjichoi1

number-of-1-bits/hoonjichoi1.java

@@ -0,0 +1,19 @@
+class Solution {
+    public int hammingWeight(int n) {
+
+        if (n == 1) {
+            return 1;
+        }
+
+        int curr = n, result = 1;
+        while (curr > 1) {
+            if (curr % 2 == 1) {
+                result++;
+            }
+            curr = curr / 2;
+        }
+
+        return result;
+    }
+}
+