Codes

[siddharthrgade21-a11y]

import java.nio.file.;
import java.nio.file.attribute.;
import static java.nio.file.StandardCopyOption.*;
import java.io.IOException;

public class AdvancedCopy {
public static void main(String[] args) throws IOException {
Path source = Paths.get("source_directory");
Path target = Paths.get("target_directory");

    Files.walkFileTree(source, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            Path targetDir = target.resolve(source.relativize(dir));
            Files.createDirectories(targetDir);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            Files.copy(file, target.resolve(source.relativize(file)), REPLACE_EXISTING);
            return FileVisitResult.CONTINUE;
        }
    });
}

}