@Nullable
	public static String getExtension(Path path) {
		return getExtension(path.getFileName().toString());
	}
Get the extension from a path.

@param path
       {@link Path} to get extension from.

@return Name of extension of the path if present, {@code null} otherwise.
recaf-core/src/main/java/software/coley/recaf/util/IOUtil.java