Files.isSymbolicLink(aPath)

DIR /S /A:L

BasicFileAttributes attr = Files.readAttributes(path, BasicFileAttributes.class, LinkOption.NOFOLLOW_LINKS);

boolean isReparsePoint = false;
    if (DosFileAttributes.class.isInstance(attr))
        try {
            Method m = attr.getClass().getDeclaredMethod("isReparsePoint");
            m.setAccessible(true);
            isReparsePoint = (boolean) m.invoke(attr);
        } catch (Exception e) {
            // just gave it a try
        }

/**
* returns true if the Path is a Windows Junction
*/
private static boolean isJunction(Path p) {
    boolean isJunction = false;
    try {
        isJunction = (p.compareTo(p.toRealPath()) != 0);
    } catch (IOException e) {
        e.printStackTrace(); // TODO: handleMeProperly
    }
    return isJunction;
}

BasicFileAttributes attrs = Files.readAttributes(aPath, BasicFileAttributes.class);
boolean isJunction = isWindows && attrs.isOther();