Class Solution
java.lang.Object
g0001_0100.s0009_palindrome_number.Solution
9 - Palindrome Number\.
Easy
Given an integer `x`, return `true` if `x` is palindrome integer.
An integer is a **palindrome** when it reads the same backward as forward. For example, `121` is palindrome while `123` is not.
**Example 1:**
**Input:** x = 121
**Output:** true
**Example 2:**
**Input:** x = -121
**Output:** false
**Explanation:** From left to right, it reads -121. From right to left, it becomes 121-. Therefore it is not a palindrome.
**Example 3:**
**Input:** x = 10
**Output:** false
**Explanation:** Reads 01 from right to left. Therefore it is not a palindrome.
**Example 4:**
**Input:** x = -101
**Output:** false
**Constraints:**
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-231 <= x <= 231 - 1
**Follow up:** Could you solve it without converting the integer to a string?-
Constructor Summary
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Method Summary
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Constructor Details
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Solution
public Solution()
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Method Details
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isPalindrome
public boolean isPalindrome(int x)
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