Files and Directories (Java in a Nutshell)David FlanaganOreilly & Associates Inc
1.批量创建复杂目录结构:想象一下,你正在开发一个大型项目,需要建立多层次的文件夹结构,如“项目/模块/资源”。使用 Files.createDirectories,你只需一行代码,轻松搞定这一切,省去了一次又一次的手动创建,仿佛变成了高效的文件夹建筑师,随心所欲地构建你的项目天地!2.动态创建日志或缓存目录:当你的程序需要...
import java.io.File; public class Main { public static void main(String[] args) { File dir = new File("C:/"); File[] list = dir.listFiles(); for (File f : list) { if (f.isFile()) { System.out.println(f.getPath() + " (File)"); } else if (f.isDirectory()) { Syst...
The Amazon S3 Transfer Manager is an open source, high level file transfer utility for the AWS SDK for Java 2.x. Use it to transfer files and directories to and from Amazon Simple Storage Service (Amazon S3). When built on top of the AWS CRT-based S3 client or the standard Java-bas...
Listing directories in home directoryThe following example lists directories in the user's home directory. Main.java import java.io.File; import java.io.IOException; import java.nio.file.Files; void main() throws IOException { var homeDir = System.getProperty("user.home"); var path = new ...
We canstore the split file in any temporary directory or any custom directory. Now, let’s test this: publicclassSplitLargeFileUnitTest{@BeforeClassstaticvoidprepareData()throwsIOException { Files.createDirectories(Paths.get("target/split")); ...
import java.nio.file.attribute.PosixFilePermission; import java.nio.file.attribute.PosixFilePermissions; ...等等,来取代原来的基于java.io.File的文件IO操作方式. 1. Path就是取代File的 APathrepresents a path that is hierarchical and composed of a sequence of directory and file name elements separated...
The next program lists all PDF files in the specified direcory and its subdirectories for two levels. Main.java import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.stream.Stream; ...
Java 8 provides a nice stream to process all files in a tree. Files.walk(Paths.get(path)) .filter(Files::isRegularFile) .forEach(System.out::println); 4. Example: Deleting a directory with all subdirectories and files To delete a directory and all its content. ...
Package java.nio.file Class Files java.lang.Object java.nio.file.Files public final class Files extends Object This class consists exclusively of static methods that operate on files, directories, or other types of files. In most cases, the methods defined here will delegate to the associated...