Here you can find the source of concatPath(String path1, String path2)
public final static String concatPath(String path1, String path2)
//package com.java2s; /**/*from www .j a v a2 s. c o m*/ * Copyright 2014-2016 Emmanuel Keller / QWAZR * * 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. */ public class Main { public final static String concatPath(String path1, String path2) { if (path2 == null) return path1; if (path1 == null) return path2; StringBuilder sb = new StringBuilder(path1); if (!path1.endsWith("/") && !path2.startsWith("/")) sb.append('/'); sb.append(path2); return sb.toString(); } }