用指定的名称加载类

/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

//package com.nowjava;
/**
n o w j a v a . c o m 提供 
**/


public class Main {


    /**

     * Loads the class with the specified name

     *

     * @param className Name of the class we are loading

     * @return Class with the specified name

     */

    private static Class<?> loadClass(String className) {

        try {

            return Class.forName(className);

        } catch (ClassNotFoundException e) {

            throw new RuntimeException("Error loading class " + className,