Here you can find the source of getClassResource(Class> clazz)
public static URL getClassResource(Class<?> clazz)
//package com.java2s; /**/*w w w .jav a 2 s . com*/ * 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. * * Modified by the WebMapReduce developers. */ import java.net.*; public class Main { public static URL getClassResource(Class<?> clazz) { String simpleName = clazz.getSimpleName(); return clazz.getResource(simpleName + ".class"); } public static URL getClassResource(String className, ClassLoader loader) { return loader.getResource(classNameToPath(className)); } public static String classNameToPath(String className) { String relPath = className; relPath = relPath.replace('.', '/'); relPath += ".class"; return relPath; } }