Here you can find the source of isCollection(Object object)
public static boolean isCollection(Object object)
//package com.java2s; /******************************************************************************* * Copyright () 2009, 2011 David Wong// w ww.ja va2 s . c o m * * This file is part of TestDataCaptureJ. * * TestDataCaptureJ is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * TestDataCaptureJ is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Afferro General Public License for more details. * * You should have received a copy of the GNU Afferro General Public License * along with TestDataCaptureJ. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ public class Main { public static boolean isCollection(Object object) { if (object == null) return false; return object instanceof java.util.Collection<?>; } }