Here you can find the source of toCommaSep(Collection
public static String toCommaSep(Collection<String> strings)
//package com.java2s; /*/* www . ja v a2 s. c om*/ * This file is part of LuckPerms, licensed under the MIT License. * * Copyright (c) lucko (Luck) <luck@lucko.me> * Copyright (c) contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import java.util.Collection; public class Main { public static String toCommaSep(Collection<String> strings) { if (strings.isEmpty()) { return "&bNone"; } StringBuilder sb = new StringBuilder(); strings.forEach(s -> sb.append("&3").append(s).append("&7, ")); return sb.delete(sb.length() - 2, sb.length()).toString(); } }