Here you can find the source of isCollection(String type)
public static boolean isCollection(String type)
//package com.java2s; /*/*from w w w .j av a 2s . c o m*/ * Copyright (c) 2008-2016 Haulmont. * * 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. * */ public class Main { public static boolean isCollection(String type) { return isList(type) || isSet(type); } public static boolean isList(String type) { return "java.util.List".equals(type); } public static boolean isSet(String type) { return "java.util.Set".equals(type); } }