Java tutorial
//package com.java2s; /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 { /** * <p>The inner class separator character: <code>'$' == {@value}</code>.</p> */ public static final char INNER_CLASS_SEPARATOR_CHAR = '$'; /** * <p>Is the specified class an inner class or static nested class.</p> * * @param cls the class to check, may be null * @return <code>true</code> if the class is an inner or static nested class, * false if not or <code>null</code> */ public static boolean isInnerClass(Class cls) { if (cls == null) { return false; } return cls.getName().indexOf(INNER_CLASS_SEPARATOR_CHAR) >= 0; } }