从给定的类加载器开始加载一个类(可以为null,然后使用默认的类加载器)
//package com.nowjava; public class Main {/** 来自 nowjava.com - 时代Java**/ public static void main(String[] argv) throws Exception { String name = "nowjava.com"; System.out.println(forName(name)); } /** * Loads a class starting from the given class loader (can be null, then use * default class loader) * * @param loader * @param name * of class to load * @return * @throws ClassNotFoundException */ public static Class forName(final ClassLoader loader, final String name) throws ClassNotFoundException { Class klass = null; if (loader != null) { klass = Class.forName(name, false, loader);/*来自 n o w j a v a . c o m*/ } else { klass = Class.forName(name, false, ClassLoader.getSystemClassLoader()); } return klass; } /** * Loads a class from the context class loader or, if that fails, from the * default class loader. * * @param name * is the name of the class to load. * @return a <code>Class</code> object. * @throws ClassNotFoundException * if the class was not found. */ public static Class forName(final String name) throws ClassNotFoundException {