Here you can find the source of getClassNames(Class>[] ifaces)
public static String[] getClassNames(Class<?>[] ifaces)
//package com.java2s; /**//from ww w . ja va 2 s . c o m * 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. */ import java.util.ArrayList; import java.util.List; public class Main { public static String[] getClassNames(Class<?>[] ifaces) { List<String> ifaceNames = new ArrayList<String>(); for (Class<?> iface : ifaces) { ifaceNames.add(iface.getName()); } return ifaceNames.toArray(new String[] {}); } }