Here you can find the source of toPath(Object[] path)
private static String toPath(Object[] path)
//package com.java2s; /*/*from w ww. j av a 2 s.c o m*/ * The MIT License (MIT) * * Copyright (c) 2016 Tellerva, Marc Lawrence * * 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. */ public class Main { private static String toPath(Object[] path) { String returned = ""; for (Object obj : path) { returned += obj + "."; } return returned.substring(0, returned.length()); } }