Re: Some Noob Questions

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 20 May 2009 20:29:36 -0400
Message-ID:
<4a14a065$0$90273$14726298@news.sunsite.dk>
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.


There are plenty of web sites build on Java like Ebay, LinkedIn etc..

If you are looking for desktop apps then there are a few like:
   * the database part of OpenOffice
   * Azureus BitTorrent client.

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


Addons are *not* always done in Java.

Reasons for C/C++ include:
   * programmer preference.
   * want to avoid dependency on Java being present.

I'm glancing around, trying to decide which language would be best to
pick up for several purposes -
    Need to occasionally put together a web-app for the organization I
work for - so far have been cobbling things together using Javascript
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
occasionally have to put together some kind of database-driven dynamic
page that's truly fairly simple/straightforward (use MySQL for database)
- the emphasis here is placed on function rather than aesthetics.


Java EE can certainly do it.

For a small simple app then Java EE is most likely not the most
cost effective (developer time wise) technology.

Need to do some System Administration work that requires occasional
scripting - I know Java isn't a scripting language, but would it work
for throwing together occasional apps to make changes to clients, or
check various features of their systems (whether new processes are
running, changing host files, checking size of a few directories, stuff
like that). I've been looking at python a bit for this,


I would suggest a real script language: Python, Perl, VBScript or
whatever you prefer and is supported on your platforms.

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

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


Java could definitely be used for this.

Arne

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