Here you can find the source of toString(List
Parameter | Description |
---|---|
listOriginal | a parameter |
public static List<String> toString(List<Object> listOriginal)
//package com.java2s; /******************************************************************************* * Copyright 2009, 2010 Innovation Gate GmbH * //ww w. ja v a 2 s . c o m * 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; public class Main { /** * Creates a new list that contains the string representations * of all elements of the original list * null values are preserved. * * @param listOriginal * @return The list with all elements converted to their string representation */ public static List<String> toString(List<Object> listOriginal) { List<String> list = new ArrayList<String>(); Object elem; for (int i = 0; i < listOriginal.size(); i++) { elem = listOriginal.get(i); if (elem != null) { list.add(String.valueOf(elem)); } else { list.add(null); } } return list; } }