public class Solution
extends Object
693 - Binary Number with Alternating Bits\.
Easy
Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values.
**Example 1:**
**Input:** n = 5
**Output:** true
**Explanation:** The binary representation of 5 is: 101
**Example 2:**
**Input:** n = 7
**Output:** false
**Explanation:** The binary representation of 7 is: 111.
**Example 3:**
**Input:** n = 11
**Output:** false
**Explanation:** The binary representation of 11 is: 1011.
**Constraints:**
* 1 <= n <= 231 - 1