package filelist;

import java.io.File;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Path;
import java.nio.file.Paths;

import static java.lang.System.out;
import static java.nio.file.Files.newDirectoryStream;
import static java.nio.file.Files.isRegularFile;

public class FileList {

    public static void main(String[] args) throws IOException {
        String txtPath = "C:\\";

        out.println("old api:");
        File directory = new File(txtPath);
        for (File e : directory.listFiles()) {
            if (e.isFile()) {
                out.print("  ");
                out.println(e.getName());
            }
        }

        out.println();
        out.println("java 7 api (быстрей и безопасней):");
        try (DirectoryStream<Path> directoryStream = newDirectoryStream(Paths.get(txtPath))) {
            for (Path path : directoryStream) {
                if (isRegularFile(path)) {
                    out.print("  ");
                    out.println(path.getFileName());
                }
            }
        }
    }
}