Re: Some Noob Questions

From:
Mark Space <markspace@sbc.global.net>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 20 May 2009 10:12:23 -0700
Message-ID:
<5SWQl.26900$c45.21400@nlpi065.nbdc.sbc.com>
Kyle T. Jones wrote:

Any examples of well-known apps written in Java (such as Vuze, for one)?
 Particularly anything that involves networking and/or security. For


I think Tomcat is written in Java. I'm not 100% sure however.

instance, IIRC, the mozilla projects are written in C++ - although the
addons (again, IIRC) are generally done in Java. Why?


Add-ons for Mozilla are written in Java? Uh, don't think so. Not even
one, in fact.

and PHP. Security is an issue - would like to write secure code, of
course - would J2EE be suitable for these sort of apps? Basically, I


I think JEE would be a vast improvement over PHP for security. Some of
the past versions of PHP have "features" and bugs that scare the crud
out of me. Also the development team for PHP seems to lack a real
security minded attitude. But I don't have any hard data to back those
impressions up.

check various features of their systems (whether new processes are
running, changing host files, checking size of a few directories, stuff


I don't think Java has any access at all to running processes. You
could always execute other utilities from Java and sniff their output, I
guess.

Eventually would be interested in writing basic firewall apps and a few
other things along those lines - related to network security.


Er, this sounds like a fantastically bad idea. Get a working firewall
app. Don't re-invent the wheel.

What I want, basically, is the best language for writing networking
apps, with an eye toward security. Hope this is all making sense.


I don't think there's just one. You'll need to learn at least two or
three, minimum.

- have at it, haha. I have some programming experience, and a good
amount of network administration experience (although, if I told y'all


This here might be the problem. There's a big difference between
administrating a system and designing software. Both in the mind-set
and in the skill set as well. I wish you luck, but I think you have
some hard knocks on the road ahead.

Short answer: Java good, but does not do everything. You'll need more
tools in your toolbox than just Java.

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