Java Coding Problems

Copying a folder

In order to copy a file, we can rely on the Path copy​(Path source, Path target, CopyOption options) throws IOException method. This method copies a file to the target file with the options parameter specifying how the copy is performed.

By combining the copy() method with a custom FileVisitor, we can copy an entire folder (including all its content). The stub code of this custom FileVisitor is listed as follows:

public class CopyFileVisitor implements FileVisitor {  private final Path copyFrom;  private final Path copyTo;  ...  private static void copySubTree(      Path copyFrom, Path copyTo) throws IOException {    Files.copy(copyFrom, copyTo,       REPLACE_EXISTING, COPY_ATTRIBUTES);  }}

Let's take a look at the main checkpoints and the ...