Java is good for what

Hi
Any ideas what java is good for?? I mean in what area of Java it is best to concentrate and work on
thanks

Hi
Any ideas what java is good for?? I mean in what area
of Java it is best to concentrate and work on
thanksI'd stick to J2EE. That's the best area to concentrate in.
That should narrow things down a bit. ;)

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Is a PowerBook G4 still good for what I need it for? 17" 1.67 Ghz CPU, 2GB RAM. Need for word processing, Dreamweaver, Illustrator, Sculptris, other programming software., Internet browsing, and light video editing.

Powerbook G4 1.67 ghz, 2Gb ram, OS X 10.5 Leopard. Is it good enough for word processing, Dreamweaver, flash, sculptris, some programming software, Internet browsing, and some basic video editing? It also includes iLife and iWork, what is actually included in these packages?

This is the fastest of the G4 Powerbooks which was a good performer when it was new. Graphics intense programs will not perform well by todays standard. In addition the up to date software programs need an Intel processor and more RAM. iLife includes iPhoto, iMovie, and GarageBand. iWork includes Pages, Numbers, and Keynote.
http://www.apple.com/hk/en/iwork/
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Java is good for you

Google [ [url=http://www.google.com/search?q=coffee+antioxidants+health+benefits]coffee antioxidants health benefits ].

Actually, I seem to remember that, uh, chicken choking,
was associated with a lessened risk of prostate cancer
later in life. I heard this also but i fail to see how it relates to.
And yet, here I am, tall and not blind (oh, thatwas
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What free - 5 £ apps are there that are good for business

Hi,
Just wondering if anyone knows any apps that i can download that is good/useful to use in business
please could you state the name
Greatly Appreciated.

Good for what sort of business? To do what? There are hundreds if not thousands of free or inexpensive apps that might be useful to you, so without any sort of parameters on which to base suggestions, making recommendations is all but impossible. Search the web for "iphone business apps" and you'll find a number of articles with suggestions and opinions; you might find those a useful place to start.
Regards.

Java: Any good?

Hello, I'd just like to know if anyone could recommend any good Java books to read. I'm quite competent in programming in C, although I haven't really done much C++. As far as I know, Java is good for writing programs that can be run on most platforms without rebuilding, although it is relatively slow compared to an equivalent C program.
Also, could anyone provide a brief comparison of the features of Java vs. C?

The thing is, I actually started programming in Visual Basic (Oh the tragedy) and soon got to know all the little niggles that makes it difficult to write anything like efficient code.
I'm not a fan of VB, but it does have it's use; especially in the area of rapid prototyping (and converting the world into dedicated drones that follow the queen bee found in the Gates of Bill)...ahem...sorry, flashback, must remind myself that resistence is NOT futile.
The main reason I'd like to get into Java is because I've written a few programs in C for Windows that could (should) work on other platforms to do tasks centered around file format conversion.
Sounds like a perfect reason to use Java. Like I said earlier, knowing which tool to use for a given set of circumstances is key.
Given that there are security restrictions on what Java can and can't do, I'm wondering if it's worth bothering, or should I simply focus on making fully portable (Headers and all) C code.
Technically, there aren't any "security restrictions on what Java can and can't do". You may be speaking of the sand-box associated with applets. However, the "restrictions" are configurable. Rights may be granted to Java programs (including applets if they are signed) to do pretty much anything usefull. Another very huge ++ for Java. In fact, I wish Sun would call it security considerations rather restrictions since it gives consideration to the needs/desires of the targets of your code. In other words, I can say "Hey buddy, I like your nice little file conversion utility, but I'm not gonna allow you to violate my private parts...Ryan"...er...there I go again with the flashbacks.

Would an ipad with a wireless keyboard be good for high school?

I want an ipad because its small and would be nice for travelling and playing games on.
I need something for taking notes and writing out reports. Also for research for projects.
I also like editing videos and I like garage band. would the ipad be good for what I need

It would be OK, however, a laptop would be much better.
Should I Get the MacBook Air or the iPad Air
http://www.apartmenttherapy.com/should-i-get-the-macbook-air-or-the-new-ipad-air -good-tech-questions-196728
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What is Java good for?

I need to develop a really serious solution for Win2K server, that will handle security data. Now I am thinking of a platform to do it. Can Java really secure the data I will trust to store it? I mean various mulfunctions, program bugs, errors, so on. Microsoft really insists on trusting its programs, not Java's (see the installiation guide for Win2K: 'Java cannot be used for medical, technical (for example handling the nuclear enterprises) ...'), so I don't know what to do. Developing a Java solution will be simplier that doing the same thing with VC.Net, but ... What do you think? What is Java good for?

Microsoft really insists on trusting its programs, not Java'sDo you trust Microsoft?
(see the installiation guide for Win2K: 'Java cannot be used for medical, technical (for example handling
the nuclear enterprises) ...'), so I don't know what to do. The nuclear bit is in the Java license ("You acknowledge that Software is not designed, licensed or intended for use in the design, construction, operation or maintenance of any nuclear facility.") I think it's probably either a result of US law requiring some certification or other for software used in nuclear facilities, or a preemptive move by Sun to forestall possible lawsuits.
The JVM is stable, probably more so than .NET since it's older, and should be suitable for your use, based on the description so far. The things you need to worry about are primarily personnel and hardware configuration (i.e. disabling virtual mem).

What technlogy is good for ABAP developer with some littile knowdge of java

Hi Experts,
What technlogy is good for ABAP developer with some littile knowdge of java IN SAP NETWEAVER.
Can any one guide me for good technology for todays market.
Thanks
Edited by: sdnhelp on Jul 15, 2009 1:50 PM
Edited by: sdnhelp on Jul 15, 2009 1:51 PM
Edited by: sdnhelp on Jul 15, 2009 1:51 PM

Hi,
you can choose PI of netweaver.
Regards,
Muralidhar

What are the pros and cons of installing java+abap stack for portal?

Hi all,
1.What are the pros and cons of installing java+abap stack for portal?
2.what effect it does on the ume options to be choosen??
3.for the purpose of integration of r3,bw and crm on portal and crm 4.0 60.2.3 business package which option of stack(java or abap or both)will be good option and which ume option while installation should be choosen?
regards
Rajendra

Hi Rajendra,
The NetWeaver Installation Master Guide offers some good scenarios on the pros and cons:
https://websmp201.sapag.de/~sapidb/011000358700005412792005E.pdf
In a nutshell:
ABAP+JAVA
Pros
- Decrease # of servers required to administer the portal
- Less costly
Cons
- Upgrades could be dependent on ABAP and Java release level
- Additional load on the server due to ABAP stack
- Limited scalability
JAVA and ABAP on separate server
Pros
- Improved performance
- Allows each system to be single-use purpose therefore downtime does not affect other components
- More scalable
Cons
- Adds complexity to landscape
- Additional costs
Regards,
Thomas Pham

What is C++ good for?

I think it's kind of weird that Microsoft can't build a class designer that displays manged types in C++. Why is it that C++ always comes last out of all of the languages! I know it isn't the most popular language but still, you begin to feel like Microsoft are trying to shut it off so there are only 2 languages, C# and VB. Over the years I have learned to program in C++ because of the pointer functionality and the sense of control you have over your code. Where as in C# you know less about what pointers and memory are doing and as a result it makes it easier to program in C#.
But then it begs the question what is C++ really good for at the end of the day. There is less and less functionality for it and it's language with many syntax obstacles compared to the easy and quick ways of writing C# code.
I would really appreciate different sides of the debate because then it might help me to realize that learning all about C++ wasn't such a waste of time after all.
Thanks in advance

What is C++ good for?
simple answer: it's the only language you can use to write real programs with (= for a computer) ... all other "programming" languages are some kind of scrippting tools in my eyes
but today they even call html and css a "programming" language ... that's like saying "hey, I'm a chef, I know how to cook water"
it's true, that we should talk about C/C++ and not about C++ alone and it's also true, that there are things in those language which I would like to change... but far less than in C#, Java and VB... oh and by the way: no, it's not complicated,
it's powerful ... with C/C++ you can program the machine! you can decide what it should do! and you know if you're talking about a pointer, a variable, and integer or what ever...
and if somebody is passing a string by value... well, then... this person simply isn't a programmer... that's it ...
so, again... what is C/C++ good for? it's the only way to write computer programs
that's what I think...
Rudolf

What is -Xms good for?

The java option "-Xms" specifies the initial size, in bytes, of the memory allocation pool. But what is it good for, other than the additional memory may be get a little more quickly when
default size < required size < initial size set with -Xms
If an application requires more memory, the JVM allocates more memory up to -Xmx.

okay, but what if i can't predict, how much memory is
needed? (in my case, the application generates PDF
files based on dynamic XSL/XML content that could get
arbitrary big.)
another point is, that the application should not
behave "intrusive" by claiming all memory it can get.
instead it should only claim what it really needs.These are some of the reasons why the JVM, by default, adapts its
memory usage. If you go and change its behaviour by specifying
memory usage options then you are of course able to make the JVM
play unfairly with the available system resources.
"Beware of what you wish for"
matfud

What is reflection good for?

i heard people use reflection with rmi, but what it is good for?
if i use reflection to figure out what methods etc a class has, how do i know what they do?

Oh cool, you just gave me an idea!
Storing bean class names in a db and upon retrieval of any name, a single utility can construct an entire GUI editor panel for any variety of java bean conforming to the Java Bean specifications. This way, if ever I want to add a new Panel to an application for a new module or set of features, all I would hypothetically have to do is create the bean and add the name to the db and load up my app without even having to create the new GUI interface for editing it.
thanks!
Oh and one other additional thing reflection is good for, is interfacing with XML config files using the attribute names as identifiers for locating the setters (E.g., Spring Framework) as well as a bunch of other related XML things.
Your imagination is your only limit. I would excercise caution in where and how you use it though. Usually best to use in initialization routines rather than runtime functions or during exhaustive processes.

SIP API (JSR180) - What is good for?

Hi all!
We've started a semester thesis at the university of applied science. We wanted to build an application, that uses SIP to transfer voice from our hand device to a distant server over wireless.
Now we realised, that streaming rtsp streams from your cell phone is not possible! Is that correct!?
And if it is, what is the JSR 180 good for then?? The main goal about sip should be sending voice and video. If that's no possible, what can you do with JSR 180 instead?!
I'd really appreciate some clarification ;-)
Thanks!!

Hi all!
We've started a semester thesis at the university of
applied science. We wanted to build an application,
that uses SIP to transfer voice from our hand device
to a distant server over wireless.
Now we realised, that streaming rtsp streams from
your cell phone is not possible! Is that correct!?i tried and i failed. now, i don't know if somebody did it...
you can read the article below:
http://today.java.net/pub/a/today/2006/08/22/experiments-in-streaming-java-me.html
And if it is, what is the JSR 180 good for then?? SIP protocol (see http://jcp.org/en/jsr/detail?id=180 )
The main goal about sip should be sending voice and
video. If that's no possible, what can you do with
JSR 180 instead?!you can try to ask to the jsr specification lead to have some clarifications...

Which book is good for learning java?

1. Introduction to Java Programming, Comprehensive (8th Edition)
2. Core Java(TM), Volume I--Fundamentals (8th Edition)
Or others?
I haven't any programming experience!
Thank you!

This is the set of often recommended resources:
TheList?
[Sun's basic Java tutorial|http://java.sun.com/docs/books/tutorial/]
[Sun's New To Java Center|http://java.sun.com/learning/new2java/index.html]
Includes an overview of what Java is, instructions for setting up Java, an intro to programming (that includes links to the above tutorial or to parts of it), quizzes, a list of resources, and info on certification and courses.
jGuru
A general Java resource site. Includes FAQs, forums, courses, more.
JavaRanch
To quote the tagline on their homepage: "a friendly place for Java greenhorns." FAQs, forums (moderated, I believe), sample code, all kinds of goodies for newbies. From what I've heard, they live up to the "friendly" claim.
[Yawmarks List|http://forums.devshed.com/java-help-9/resources-for-learning-java-249225.html]
[The Java Developers Almanac|http://www.amazon.com/exec/obidos/tg/detail/-/0201752808?v=glance]
[http://javaalmanac.com|http://javaalmanac.com]
Bruce Eckel's [Thinking in Java(Available online.)|http://mindview.net/Books/DownloadSites]
Joshua Bloch's [Effective Java|http://www.amazon.com/Effective-Java-2nd-Joshua-Bloch/dp/0321356683]
Bert Bates and Kathy Sierra's [Head First Java|http://www.amazon.com/exec/obidos/tg/detail/-/0596004656?v=glance]
James Gosling's [The Java Programming Language|http://www.amazon.com/Java-TM-Programming-Language-4th/dp/0321349806/ref=sr_1_1?ie=UTF8&s=books&qid=1247059012&sr=1-1]
Gosling is the creator of Java. It doesn't get much more authoritative than this.
Joshua Bloch and Neal Gafter [Java Puzzlers.|http://www.javapuzzlers.com/]

Taglibs, STRUTS, etc. what good for?

... if you can't debug them? I just feel like thrown back to the last century typing code in an editor, deploying, running, ... exception ...
What are tags and all the derivatives like struts, JSTL, etc. good for if you have no tool/IDE that compiles/translates/or at least checks the correctness during development time? the development cycle just exploded to write, pack together, deploy, start, test ... fix error and start over again ... are there any tools/plugins/IDEs that support the developer like with Java code?

custom tags are "black box" for end users (jsp developpers).
I don't understand why you want to debug their code.
You think you have a bug in a tag ? the exception is not clear ?
Generaly, if you have an error, it come from a bad usage or parameter, no ?
highlighting and some writing help are the first step(just using TLD).
I use WSED 5 (eclipse 2 based IDE from IBM) and the JSP syntax checker let me see more error like using not accessible beans or class cast exception.
Try with eclipe 2 ... but I think the JSP debug isn't present.
Regards.

Java is good for what

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