Here you can find the source of isTerminal(Class clazz)
private static boolean isTerminal(Class clazz)
//package com.java2s; /*/*ww w . j av a2 s . c o m*/ * Copyright 2014 tetsuo.ohta[at]gmail.com * * 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.*; public class Main { private static boolean isTerminal(Class clazz) { return clazz == Object.class || Iterable.class.isAssignableFrom(clazz) || clazz.isArray() || Map.class.isAssignableFrom(clazz); } }