[LeetCode]--7. Reverse Integer
2016-08-10 00:44
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Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Java Code
Example1: x = 123, return 321
Example2: x = -123, return -321
Java Code
public class Solution {
public int reverse(int x) {
long rev= 0;
while( x != 0) {
rev= rev*10 + x % 10;
x= x/10;
if( rev > Integer.MAX_VALUE || rev < Integer.MIN_VALUE) return 0;
}
return (int) rev;
}
}
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