题目链接：https://leetcode.com/problems/reverse-integer/
题目：
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
思路：
注意正负情况
算法：
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public int reverse(int x) {
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char c[] = String.valueOf(Math.abs(x)).toCharArray();
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for (int i = 0; i < c.length / 2; i++) {
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char tmp = c[c.length - i - 1];
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c[c.length - 1 - i] = c[i];
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c[i] = tmp;
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}
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try {
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if (x >= 0) {
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return Integer.parseInt(String.valueOf(c));
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} else {
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return -Integer.parseInt(String.valueOf(c));
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}
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} catch (NumberFormatException e) {
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return 0;
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}
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}
【Leetcode】Reverse Integer
原文：http://blog.csdn.net/yeqiuzs/article/details/51598071
