java 读取linux文件夹

import java.io.File;

public class ReadDirectory {
    public static void main(String[] args) {
        File directory = new File("/path/to/directory");
        if (directory.isDirectory()) {
            File[] files = directory.listFiles();
            if (files != null) {
                for (File file : files) {
                    System.out.println(file.getName());
                }
            }
        } else {
            System.out.println("Not a directory");
        }
    }
}

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.stream.Stream;

public class ReadDirectoryNIO {
    public static void main(String[] args) {
        Path directory = Paths.get("/path/to/directory");
        try (Stream<Path> paths = Files.walk(directory)) {
            paths.forEach(System.out::println);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

File directory = new File("/path/to/directory");
if (!directory.exists()) {
    System.out.println("Directory does not exist");
    return;
}

File directory = new File("/path/to/directory");
if (!directory.canRead()) {
    System.out.println("Permission denied");
    return;
}

try {
    Path directory = Paths.get("/path/to/directory");
    try (Stream<Path> paths = Files.walk(directory)) {
        paths.forEach(System.out::println);
    }
} catch (IOException e) {
    e.printStackTrace();
}