import java.net.URL;

public class Main {

    public static void main(String[] args) {
        System.out.println(getLocation(String.class));
        System.out.println(getLocation(Main.class));
    }

    public static URL getLocation(Class<?> clazz) {
        return clazz.getResource('/' + clazz.getName().replace('.', '/') + ".class");
    }

}