Skip to Content
Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Parameters class

Our Parameters class has a field and a constructor as listed as follows:

    final String[] commandLine;    public Parameters(String[] commandLine) {      this.commandLine = commandLine;    }

The parameter class has two methods. The first method, getCommandLineStrings, gets the command line strings from the properties. This array contains the command and the command line parameters. If it was not defined in the file then we return an empty array:

    private static String[] getCommandLineStrings(Properties props)  
    {      return Optional       .ofNullable(props.getProperty("commandLine"))       .orElse("")       .split("\s+");    }

The second method is the static fromFile that reads the properties from a properties file:

 public static Parameters fromFile(final File ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Java 9 High Performance

Java 9 High Performance

Mayur Ramgir, Nick Samoylov
Distributed Computing in Java 9

Distributed Computing in Java 9

Raja Malleswara Rao Malleswara Rao Pattamsetti

Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page