Here you can find the source of collectionToCommaDelimitedString(Collection
Parameter | Description |
---|---|
list | a parameter |
public static String collectionToCommaDelimitedString(Collection<String> list)
//package com.java2s; /*/*from w ww.jav a2s . co m*/ * Copyright 2009-2013 the original author or authors. * * 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.Collection; import java.util.Iterator; public class Main { /** * Convert a List of Strings to a comma delimited String. * * @param list * @return Returns the List as a comma delimited String. Returns an empty * String for a Null or empty list. */ public static String collectionToCommaDelimitedString(Collection<String> list) { if (list == null || list.isEmpty()) { return ""; } StringBuilder sb = new StringBuilder(); final Iterator<String> it = list.iterator(); while (it.hasNext()) { sb.append(it.next()); if (it.hasNext()) { sb.append(", "); } } return sb.toString(); } }