public class PetaLoader {
    public static void main(String[] args) {
        tampil("String", String.class);
        tampil("DriverManager", java.sql.DriverManager.class);

        System.out.println("system loader   : "
                + ClassLoader.getSystemClassLoader().getClass().getName());
        System.out.println("platform loader : "
                + ClassLoader.getPlatformClassLoader().getClass().getName());
    }

    static void tampil(String nama, Class<?> c) {
        ClassLoader loader = c.getClassLoader();
        String hasil = (loader == null) ? "bootstrap" : loader.getClass().getName();
        System.out.printf("%-13s dimuat oleh: %s%n", nama, hasil);
    }
}