J2ME Questions about School Project

Hello,
Before graduating college, I must complete a senior project with a team. For our project we would like to developed some embedded devices(hopefully using j2me).
I'm not sure if it will be possible to do so. We have 2 different devices that must communicate wireless.
One device with have a screen, small key pad(3-4 buttons). The other device will have neither a keypad nor a screen. The second device will simply send and receive signals.
I was thinking of using CLDC with MIDP for the first device. The second device has me puzzled though, what should I use for it? Just CLDC?
Also, I have no idea what kind of hardware I need, some specs would be really helpful.
And finally, do I need an operating system on the device to use j2me?
Thanks for the help.

If you have no hardware, it's prety useless to get into the j2me stuff already.
First get together what hardware you're using, and then check how you can programme it. Most likely J2me will not work, unless you port it to your hardware platform.

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Hello everyone,
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Thanks!
Martijn
Edited by: MartijnR on Oct 27, 2008 7:57 AM

Hi Ron,
I've tried what you said, indeed in that .beabuild.txt when 'deploy by default' is checked it adds a line like: C:/JDeveloper/mywork/test2/lib/log4j-1.2.14.jar = test2-view-webapp/WEB-INF/lib/log4j-1.2.14.jar
Which looks fine, except that /web-inf/lib/ is empty. I presume its a sort of mapping to say: Load it like it in WEB-INF/lib? This line is not there when the deploy by default is not checked.
I modified the TestBean as follows (the method that references Log4j does it thru a Class.forName() now only):
public String getHelloWorld() {
try {
Class clazz = Class.forName("org.apache.log4j.Logger");
System.out.println(clazz.getName());
catch(Exception e) {
e.printStackTrace();
return "Hello World";
In both cases with or without line, it throws:
java.lang.ClassNotFoundException: org.apache.log4j.Logger
     at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:283)
     at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:256)
     at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:54)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
     at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:176)
     at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:42)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Class.java:169)
     at nl.test.TestBean.getHelloWorld(TestBean.java:15)
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<?xml version = '1.0' encoding = 'windows-1252'?>
<weblogic-web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/weblogic-web-app.xsd" xmlns="http://www.bea.com/ns/weblogic/weblogic-web-app">
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<jsp-descriptor>
<debug>true</debug>
<working-dir>/C:/JDeveloper/mywork/test2/view/classes/.jsps</working-dir>
<keepgenerated>true</keepgenerated>
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<library-ref>
<library-name>jstl</library-name>
<specification-version>1.2</specification-version>
</library-ref>
<library-ref>
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<specification-version>1.2</specification-version>
</library-ref>
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Question bout school project

i am doing a project for school and i need to know what region apple targets and what age group and what religion and what race and ethnics group. if you can answer any of these plz respond thanks

Did you read the Terms of Use before you agreed to them? Sorry,this forum is for technical support only.
SubmissionsStay on topic. Apple Support Communities is here to help people use Apple products and technologies more effectively. Unless otherwise noted, do not add Submissions about nontechnical topics, including:
Speculations or rumors about unannounced products.
Discussions of Apple policies or procedures or speculation on Apple decisions.
4. Do not post polls or petitions or links to same.
Maybe you should contact Apple directly:
Apple
1 Infinite Loop
Cupertino, CA 95014
408.996.1010
Message was edited by: Ingo2711

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Arup Nanda_2 wrote:
Hi Ed,
Thanks Mark for pointing me out to this.
I have been using that for more than 8 or 9 years now, without any side effects. But as Emre Baransel reported that although he has been following that without any untoward effects, you should take every advise in the specific context of your environment. I have tried to put all caveats there; but there is no way for me to check all possible comobinations.
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Hope this helps.
ArupThanks for the response. Besides worrying about the "unknown unknowns" I also have a question about applying patches, especially the quarterly CPUs. Since, at some level, applying a patch is simply overlaying a specific file with a newer version, will this cause permissions to revert to default? Would we have to go through the process after applying a patch? I'll go back and re-read the original doc several more times to make sure I have a good grasp of what's going on here.

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<edit>
BTW...I'm talking about my experience, not passing judgement. Anyone who considers themselves a serious dev and yet codes in the Flash IDE, I respect your preference. If you consider yourself a serious dev and haven't *tried* working in another environment, I still respect you; but I also suggest you look at the advantages of other work environments.
</edit>

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Though including RTP stack, JMF is only compatible to old RTP draft, RFC1889. I know that Sun stopped developing/supporting JMF. What is the alternative solution for JAVA RTP implementation suitable for a serious SERVER project, not just a school-term project? Has anyone thought about that or may have already moved forward? Is that any commercial or more updated Java based RTP stack currently? I searched with google. Besides jrtp, a school project, and I could not find a nice one. Majority of RTPstack implementation is C/C++.
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erwin2009 wrote:
Hi, as new to JMF, I would like to ask some generic questions about JMF from this communitySure/
Though including RTP stack, JMF is only compatible to old RTP draft, RFC1889. I know that Sun stopped developing/supporting JMF. What is the alternative solution for JAVA RTP implementation suitable for a serious SERVER project, not just a school-term project? Has anyone thought about that or may have already moved forward? Is that any commercial or more updated Java based RTP stack currently? I searched with google. Besides jrtp, a school project, and I could not find a nice one. Majority of RTPstack implementation is C/C++. There is one active project out there, Freedom for Media in Java, that has RTP capabilities. It's obviously not from Sun, but it's the only other RTP-capable project I am aware of, other than FOBS4Java, I believe is the name of it.
What they are suitable for is beyond my scope of knowledge, I only know of the 2 projects.
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I appreciate any input from this community.Sorry I don't have more to add to your inquires...

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Product: MacBook Air
Operating System: Mac OS X Version 10.7.4
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I didn't know that I have to buy a exteral CD and/or DVD Player in order to connect to the brand new Modem and Router in one by NetGear. I am so used to PCs and the CD/DVD Players being built inside.
The people at Apple Store told me that there is an internal modem inside, but I don't know how to find it and what to do then. Should I use a Firewall?, An AntiVirus, AntiMalware, AntiSpyware, etc. Apple Care tech told me I don't need to get an AntiVirus.
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6) Should I buy a ZipDrive? Apple Store Tech told me that I didn't need a ZipDrive. I just remember the episode of HBO's "Sex and The City" when Carrie looses everything because her copy crashed. Now, of course, I know that's a fictional show, but with PC's and Microsoft I have lost everything when it crashed, frooze up, etc. I know there's iClouds. I heard about Carbonite, but I have read the Pros and Cons about it. Mostly they are Cons about it. I just don't want to do anything wrong and mess up this computer.
7) Should I buy a new Printer/Copier/Scanner because mine is an HP. It's not new, but it works. I even have a CD-ROM for Macs. What about the new product called, "Neat"?
8) Is there a special product that I should buy to do Online Banking and/or other important stuff?
9) I saw and read about iWork in the Apps Store and it sounds cool. I still have alot of friends and colleagues who still use Microsoft. Is iWork good to use? Should I Download it from the Apple Apps Store or can a buy it at Apple? Is there another Word Processing Program that is great and user friendly and will work with Macs and PCs?
10) Should I Update the OS with OS X Mountian Lion Pro from the Apple Apps Store or buy it at Apple Store?
In advance, I wish to thank you in this Apple Support Communites for your help. Have a safe and happy holiday weekend!

1) Here are instructions for removing MacKeeper. Since it mostly consists of manually looking for folders and specific files, if you follow the instructions you either fail to find what you are told to find (because your AppleCare guide gave you complete instructions which you followed) or you'll find some additional files that need to be replaced.
2 & 3) I assume you are looking at the sidebar of a Finder window and seeing Shared and computers under it. Those are computers that you can potentionally share. To do so you'd need an account on their computer and a password. They are not sharing your computer.
AirDrop allows you to create an adhoc network for filesharing and it only functions when you have selected the AirDop item in the SideBar. Actually doing that merely announces to computers in the same network node that your computer is available for a file to be sent to. Even then you have to explicitly allow the file to be downloaded to your computer. Similarly you'd be able to see other computers with AirDrop selected and be able to send them a file - which they'd have to accept.
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I do have my firewall turned on. AntiVirus software isn't a bad idea - I use Sophos having tested it for a review for our local User Group and I found I liked it better than ClamAVx which is what I'd been using before. Both are free.
4) I think you were scammed by Sprint and BestBuy. I use hotel, coffee shop, and restaurant WiFi spots and have for years. However, because they can be unsecured, I do not shop online or bank when I'm using them. I also use 1Password and don't reuse passwords so even if a sniffer should grab an account and password that's all it would get - one account.
5) Raid doesn't really make sense with a MacBook Air - a RAID involves 2 or more disks being used as if they were one.
6) Zip drive? No. External hard drive - yes. It isn't a question of if a computer's hard drive will malfunction, it is when. OWC has a nice selection of external drives and the Mac has a built in backup system called TimeMachine. Due to the way TimeMachine works, I've found that your TimeMachine drive should be at least twice as large - and preferably 3-4 times as large as the data you are backing up.
7) if your printer works and it has Mountain Lion drivers, why replace it?
8) Online banking is done with a browser - Use Safari or FireFox
9) If trading files with Windows users is important Mac: Office is your best bet. If not, iWork, Mac:Office, or LibreOffice are all good possibilities.
10) you can only buy Mt Lion via the App Store.

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