Here you can find the source of invokeMethod(Object objectInstance, String methodToInvoke, Class[] parameterTypes, Object[] instanceParameters)
public static Object invokeMethod(Object objectInstance, String methodToInvoke, Class[] parameterTypes, Object[] instanceParameters) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException
//package com.java2s; /*/*from w w w. j av a 2 s.c o m*/ * 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. */ import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class Main { public static Object invokeMethod(Object objectInstance, String methodToInvoke, Class[] parameterTypes, Object[] instanceParameters) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException { Method method = objectInstance.getClass().getMethod(methodToInvoke, parameterTypes); Object retVal = method.invoke(objectInstance, instanceParameters); return retVal; } }