Practice-Questions-of-java/S.java at main · IshikaSahu24/Practice-Questions-of-java · GitHub

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public class S{
    public static long reverse(int num) {
         int originalno = num;
        if(num < 0){
         num = -num;
        }

        long reverse = 0;
        while (num > 0) {

            int a = num % 10;
            reverse = a + reverse*10;
            num = num/10;

        }
        if ( reverse < 2147483647 && reverse > -2147483648) {

        if(originalno < 0 )
            return -reverse;

        else
            return reverse;

        }
        else{
            return 0;
        }
}
     public static void main(String[] args){
        long a = reverse(123);
        System.out.println(a);
        long b = reverse(1256788999);
        System.out.println(b);
    }
}