Here you can find the source of getName(Path path)
static String getName(Path path)
//package com.java2s; /**// w w w . j a v a 2 s . co m * Copyright 2011-2018 Asakusa Framework Team. * * 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; import java.util.Optional; public class Main { static String getName(Path path) { return Optional.ofNullable(path.getFileName()).map(Path::toString) .orElseThrow(() -> new IllegalStateException(path.toString())); } }