JavaCompilerCore/resources/bytecode/javFiles/Fac.jav

import java.lang.Integer;
import java.lang.Double;
import java.lang.String;

public class Fac {
	getFac(n) {
		Double res = 1;
		var i = 1;
		while (i <= n) {
			res = res * i;
			i++;
		}
		return res;
	}
}