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Java module J808
Network Programming
Exercises, examples and other material relating to training module J808. This topic is presented on public course Java Extra



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When you're writing a program, don't think that you're reading from a file - think that you're reading from a stream. That gives you the flexibiity to read from a file, or from a web resource, or from a device such as a keyoard. A stream is an input flow of data that comes to you, record by record (typically ...
2015-02-12
 
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My standard recommendation these days is that you don't write your own low level network code - but rather you use standard protocols and classes - i.e. that you use tried and tested ways of exchanging data. And on that basis, you'll find that our public training courses cover things like talking to ...
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1976Where is this IP address, IPv4 and IPv6
Do you want to know where in the world an IP address comes from? I often do and I've used a number of tools - but they tend to draw me fancy maps and lead me away from my page. So this morning I put together a cheap and cheerful "which country is this IP from?" script, using Maxmind Open Source Technology ...
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Examples from our training material
Leanne.java   Multithreaded tcp/ip server in Java
Station.java   Class of objects from file or URL, factory, Vector and HashMap, select, sort, output
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from [here].
Topics covered in this module
Reading data from a URL.
Writing a TCP/IP client.
Writing a server.
Network security.
Complete learning
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