From e59987a334e8318f160c35f188e205f3574a8255 Mon Sep 17 00:00:00 2001
From: neko <52202080+akiyamaneko@users.noreply.github.com>
Date: Mon, 28 Sep 2020 14:02:05 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9EAPI?=
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---
 .../src/main/java/cn/hutool/core/util/NumberUtil.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
index a674fd4df..66adeee33 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
@@ -2162,6 +2162,17 @@ public class NumberUtil {
 	public static BigDecimal pow(BigDecimal number, int n) {
 		return number.pow(n);
 	}
+	
+	
+        /**
+         * 判断一个整数是否是2的幂
+         *
+         * @param n 待验证的整数
+         * @return 如果n是2的幂返回true, 反之返回false
+         */
+        public static boolean isPowerOfTwo(long n) { 
+                return (n > 0) && ((n & (n - 1)) == 0);
+        }
 
 	/**
 	 * 解析转换数字字符串为int型数字，规则如下：