GCD of two numbers using methods(WHILE LOOP)

 import java.util.*;

public class p8_1 {

    static int gcd(int n1, int n2) {

        while (n1 != n2) {

            if (n1 > n2) {

                n1 -= n2;

            } else {

                n2 -= n1;

            }

        }

        return n1;

    }

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        System.out.println("Enter n1:");

        int n1 = sc.nextInt();

        System.out.println("Enter n2:");

        int n2 = sc.nextInt();

        System.out.println("GCD of two numbers is:" + gcd(n1, n2));

    }

}