Exercises, examples and other material relating to training module J713. This topic is presented on public courses Learning to Program in Java
, Java Bootcamp
, Java Programming for the Web
This module covers reading and writing from and to files, other processes, network connections, keyboards and screens. Also how to find out if an object exists on your file system and if it does, to get more information about it.
Related technical and longer articlesFormatting to a fixed number of decimal places
|Articles and tips on this subject||updated|
|2420||Exceptions in Java - why and how|
Although it's common practise to include a static main test program in a class, it's something that newcomers can have some difficulty following ... so we don't do it too early on the course - we keep classes and programs that use those classes (even if they are just test programs) each in their own ...
Examples from our training material
This module is available under an Open Training Notes License
for free download from http://www.training-notes.co.uk
Topics covered in this module
The Wellreader class.
Input/output from basics.
Writing to a file.
Reading from a file.
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule
Well House Consultants specialise in training courses in
. We run
throughout the UK (and beyond for longer courses), and
at our training centre in Melksham, Wiltshire, England.
It's surprisingly cost effective to come on our public courses -
even if you live in a different
country or continent to us
We have a technical library of over 700 books on the subjects on which we teach.
These books are available for reference at our training centre. Also
available is the Opentalk
Forum for discussion of technical questions.