Here you can find the source of isIterator(Class> clazz)
public static boolean isIterator(Class<?> clazz)
//package com.java2s; /*/*from w ww . j a v a 2s. co m*/ * Copyright 2013 Michael Gagauz * * This file is part of JsonMapperImpl. * * JsonMapperImpl is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JsonMapperImpl 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with JsonMapperImpl. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Iterator; public class Main { public static boolean isIterator(Class<?> clazz) { return Iterator.class.isAssignableFrom(clazz); } }