Java tutorial
//package com.java2s; /* * Copyright (c) 2016, The Dattack team (http://www.dattack.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.ArrayList; import java.util.List; import java.util.Objects; public class Main { /** * Adapts a Object-value <code>List</code> to a String-value one. If the list to adapt is <code>null</code>, then an * empty list is returned. * * @param list * the List to adapt, may be null * @return the adapted List */ public static List<String> listAsString(final List<Object> list) { final List<String> result = new ArrayList<>(); if (list != null) { for (final Object obj : list) { result.add(Objects.toString(obj)); } } return result; } }