【LeetCode】Reverse Integer
2014-05-06 20:29
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http://oj.leetcode.com/problems/reverse-integer/
public class Solution {
public int reverse(int x) {
String strX = Integer.toString(x);
int len = strX.length();
StringBuffer dest = new StringBuffer(len);
if (x >= 0) {
for (int i = len - 1; i >= 0; i--) {
dest.append(strX.charAt(i));
}
} else {
dest.append('-');
for (int i = len - 1; i >= 1; i--) {
dest.append(strX.charAt(i));
}
}
return Integer.parseInt(dest.toString());
}
}
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