michael reeves please

package triange;

import java.util.Scanner;

public class Gcd {
	public static int gcd(int f,int g)  {
		int c=0;
		for (double i = 1; i <= f; i+=1){
			if(Math.round(f/i)==(f/i)) {
				for (double j = 1; j <= g; j+=1){
					if( Math.round(g/j)==g/j && j==i) {
						c =(int)Math.round(i);
					}
				}
			}
		}
		return c;
	}
	public static void main(String[] args) {
		Scanner line = new Scanner(System.in);
		System.out.println("num1?");
		int num = line.nextInt();
		System.out.println("num2?");
		int num2 = line.nextInt();
		System.out.println(gcd(num,num2));
	}

}