Java: Data Science Made Easy

Reading input data

Being able to read data is the most important skill for a data scientist, and this data is usually in text format, be it TXT, CSV, or any other format. In Java I/O API, the subclasses of the Reader classes deal with reading text files.

Suppose we have a text.txt file with some sentences (which may or may not make sense):

• My dog also likes eating sausage
• The motor accepts beside a surplus
• Every capable slash succeeds with a worldwide blame
• The continued task coughs around the guilty kiss

If you need to read the whole file as a list of strings, the usual Java I/O way of doing this is using BufferedReader:

List<String> lines = new ArrayList<>(); try (InputStream is = new FileInputStream("data/text.txt")) {  try (InputStreamReader ...