Class loading example

Foo.java

package org.example;

import java.util.ArrayList;
import com.sun.crypto.provider.AESKeyGenerator;

public class Foo {
    public static void main(String[] args) {
        System.out.println("Hello World!");
        System.out.println("java.ext.dirs : " + System.getProperty("java.ext.dirs"));
        System.out.println("com.sun.crypto.provider.AESKeyGenerator : " + AESKeyGenerator.class.getClassLoader());
        System.out.println("Foo : " + Foo.class.getClassLoader());
        System.out.println("String array : " + String[].class.getClassLoader());
        System.out.println("ArrayList : " + ArrayList.class.getClassLoader());
    }
}