Apache Groovy Programming Language

class ReverseNumber {
    public static void main(String[] args) {
        def input = 123;
        def temp, r, output = 0;
        temp = input;

        while (temp > 0) {
            r = temp % 10;
            temp = temp.intdiv(10);
            output = output * 10 + r;
        }

        println("Original Number : " + input);
        println("Reverse Number : " + output);
    }
}