Java tutorial
//package com.java2s; /* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved. * * The contents of this file are subject to the terms of the GNU General Public License Version 3 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each file. */ import java.util.ArrayList; import java.util.List; public class Main { private static final List<Class<?>> objectsToClasses(List<Object> actualArgs) { final List<Class<?>> actualClasses = new ArrayList<Class<?>>(actualArgs.size()); for (final Object actualArg : actualArgs) actualClasses.add(actualArg == null ? null : actualArg.getClass()); return actualClasses; } }