Java tutorial
//package com.java2s; /* * Copyright 2002-2015 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. */ import java.util.HashMap; import java.util.Map; public class Main { /** * Map with common "java.lang" class name as key and corresponding Class as value. * Primarily for efficient deserialization of remote invocations. */ private static final Map<String, Class<?>> commonClassCache = new HashMap<String, Class<?>>(32); /** * Register the given common classes with the ClassUtils cache. */ private static void registerCommonClasses(Class<?>... commonClasses) { for (Class<?> clazz : commonClasses) { commonClassCache.put(clazz.getName(), clazz); } } }