7. Reverse Integer

Reverse digits of an integer.

Example1: x = 123, return 321
Example2: x = -123, return -321

Note:
The input is assumed to be a 32-bit signed integer. Your function should return 0 when the reversed integer overflows.

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public class Test7 {
    public static void main(String[] args){
        Test7 test = new Test7();
        System.out.print(test.reverse(-10));
    }

    public int reverse(int x) {
        try{
            int index = 0;
            if(x<0){
                index = 1;
            }
            String s = String.valueOf(x);
            char[] c = s.toCharArray();
            int last = s.length()-1;
            for(int i=index,j=last;i<=j;i++,j--){
                char temp = c[i];
                c[i] = c[j];
                c[j] = temp;
            }
            return new Integer(Integer.parseInt(new String(c)));
        }catch(NumberFormatException e){
            return 0;
        }

    }
}