191. 位1的个数

Author: BGMer7

src/com/gatsby/_191NumberOfOneBits.java

@@ -0,0 +1,16 @@
+package com.gatsby;
+
+/**
+ * @ClassName: _191NumberOfOneBits
+ * @Description: leetcode 191 位1的数量
+ * @author: Gatsby
+ * @date: 2022/5/17 11:49
+ */
+
+public class _191NumberOfOneBits {
+    public int hammingWeight(int n) {
+        return Integer.bitCount(n);
+    }
+}
+
+