import java.util.ArrayList;

public class ClassLoaderDemo {
	/*
	 * 类加载器怎么加载一个类(父委托加载机制)
	 * 优:提高软件系统的安全性(如下面优先加载JDK的ArrayList)
	 */
	
	static{
		System.out.println("ClassLoaderDemo is loaded!");
	}
	public static void main(String[] args) {

		Class clazz = ClassLoaderDemo.class;
		ClassLoader loader = clazz.getClassLoader();
		System.out.println("loader's name: " + loader.toString());
		
		Class listClazz = ArrayList.class;
		ClassLoader listLoader = listClazz.getClassLoader();
		System.out.println("loader's name: " + listLoader);
	}

}