Here you can find the source of which(Path path, String name)
static public Path which(Path path, String name)
//package com.java2s; /*//from w ww. j a v a 2s .com * Copyright 2016 Fizzed, Inc. * * 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.nio.file.Path; public class Main { static public Path which(Path path, String name) { if (isWindows()) { return path.resolve(name + ".bat"); } else { return path.resolve(name); } } static public boolean isWindows() { return System.getProperty("os.name").toLowerCase().contains("win"); } }