Classloaders and instanceof

Main.java

import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;

public class Main {
    public static void main(String[] args) throws Exception {

        URL classLocation = new File("classes/").toURI().toURL();

        try (URLClassLoader customClassLoader = new URLClassLoader(new URL[]{classLocation}, null)) {
            ClassLoader applicationClassLoader = Main.class.getClassLoader();

            Object instance1 = new MyCustomClass("42");
            Object instance2 = applicationClassLoader.loadClass("MyCustomClass").getDeclaredConstructor(String.class).newInstance("42");
            Object instance3 = customClassLoader.loadClass("MyCustomClass").getDeclaredConstructor(String.class).newInstance("42");

            System.out.println("instance1 instanceof MyCustomClass: " + (instance1 instanceof MyCustomClass));
            System.out.println("instance2 instanceof MyCustomClass: " + (instance2 instanceof MyCustomClass));
            System.out.println("instance3 instanceof MyCustomClass: " + (instance3 instanceof MyCustomClass));

            System.out.println("instance1.name(): " + safeGetName(instance1));
            System.out.println("instance2.name(): " + safeGetName(instance2));
            System.out.println("instance3.name(): " + safeGetName(instance3));

            System.out.println("instance1.equals(instance2): " + instance1.equals(instance2));
            System.out.println("instance1.equals(instance3): " + instance1.equals(instance3));
        }
    }

    private static String safeGetName(Object o) {
        try {
            MyCustomClass myObj = (MyCustomClass) o;
            return myObj.getName();
        } catch (Exception e) {
            return e.toString();
        }
    }
}