public static void javaIO_Decorator()
	{
		try
		{
			FileInputStream fileStream = new FileInputStream(new File("text.txt")); // component being decorated
			BufferedInputStream bufferedStream = new BufferedInputStream(fileStream); // concrete decorator
			LineNumberInputStream lineStream = new LineNumberInputStream(bufferedStream); // concrete decorator
		} 
		catch (FileNotFoundException e)
		{
			e.printStackTrace();
		}
	}