public class Solution {
public int reverse(int x) {
int ret=0;
while(x!=0)
{
int t=x%10;
ret=ret*10+t;
x=x/10;
}
return ret;
}
}
public class Solution {
public boolean isPalindrome(int x) {
if(x<0) return false;
if(x==0) return true;
int ret=0;
int xold=x;
while(x!=0)
{
int temp= x%10; // zui hou yi wei
ret=ret*10+temp;
x=x/10;
}
if(ret==xold) return true;
return false;
}
}