获取具有给定名称和参数类型的方法，如果不存在，则返回null

/*

 * Copyright 2008-2009 the original author or authors.

 *

 * Licensed 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;

import java.lang.reflect.Method;

/**
时代Java公众号 提供 
**/

public class Main {



    /**

     * Get method with given name and parameter types or return null if it does

     * not exist

     * 

     * @param clazz

     * @param name

     * @param parameterTypes

     * @return

     */

    public static Method getMethod(Class<?> clazz, String name,

            Class<?>... parameterTypes) {

        try {

            return clazz.getMethod(name, parameterTypes);

        } catch (