Embedded system programming in java
I want to know how to do embedded system programming in java.
can anyone give some sample programs and tell me nice book for embedded programming in java
First take a look at Embedded Server forum (http://forum.java.sun.com/forum.jsp?forum=46) and/or OSGi (http://www.osgi.org)
Similar Messages
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Hai!!!
Actully I'm working in Automatic distinction between the system progam & application programs. Is there any samples/source code of the system programs available in java???is it possible to distiguish between the system program & Application program by seeing the code??
Cheers!!!Just curious what is it system programming in java? Can't recall any example...
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Is it possible to write system programs in java language? where can i find examples?
like writing device drivers or interacting with hardware i.e. ports input/output just like in 'C'..
If it is possible to write device drivers in java.....then we need not to write drivers for Windows, Solaris and linux separately. Just write device driver once and run it anywhere.. i don't know it is feasible or not.
Edited by: arun_maurya on May 7, 2008 2:24 AM -
What java class library that i can use for system programing?
Do you mean device drivers and the likes? Java isn't the language for that. You can always interface Java with C and there's also the Micro Edition of Java. It depends on your situation if Java is useful.
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Dear friends,
can we do System programming like creating device drivers throgh Java.
If any one has idea or related programs Please send to [email protected]
Please let me know about it.
i will be thankful to you.
Else i will have learn C or C++ for that.
thanking you...
Regards....can we do System programming like creating device drivers throgh Java.No, you cannot do that. The only way to get through to the system-specific parts of the computer would be through JNI... and JNI involves programming in other languages.
/Michael -
hi,
i was trying to fetch system related data, like processor usage, through java .. but i couldn't .. i couldn't find any API for the purpose..
finally used some shellscripting...
is there any API for these purpose?
If there are no such APIs then how java.io works?
how it interact with hardware? how it read input from IO devices?If there are no such APIs then how java.io works?
how it interact with hardware? how it read inputfrom IO devices?
can somebody answer these?Java technology includes an abstraction layer called the Java Virtual Machine. This JVM isolates all system dependencies. Once a JVM exists for a platform, pure Java programs (in bytecode form) will run on that platform. -
While working in VB.Net it is possible to do System programming such as,By the Click of Button,System Start Menu or TaskBar becomes Un-Visible.Can we do such type of System Programming in Java.
Yes, using JNI.
You shouldn't hide task bars and such, however, people use them. -
JAVA for embedded systems: just a myth ?
Hi,
I'm relatively new to JAVA (a year or so), and so far I'm fascinated. I've only developed for PC using J2SE, although I'heard a lot of hipe about J2ME, which I guess is the JAVA for embedded systems (correct me if I'm wrong here).
I worked a lot with microcontrollers, and I think it would be really nice to program them using JAVA. I googled serched for JAVA enabled embedded systems, but I couldn't find anything.
Anyway, this morning I got to this site and find a very interesting article, which I'd like to share with you and hear your opinions about the 5th myth.
The link is: http://www.chipcenter.com/knowledge_centers/embedded/todays_feature/showArticle.jhtml?articleID=10300909
Cheers!!>... very interesting article, which I'd like to share with
you and hear your opinions about the 5th myth.
Very interesting. I'd always wondered what happened to the Java chips...
Here's a thought, and an associated question, if any of you reading this happen to be up on modern processor architecture...
What about microcode? Back in school (decades ago) I learned a bit about microcode, which was like very simple, low-level instructions that a processor would "execute" to execute each assembly/machine language instruction. The idea was that if you needed to tweak the instruction set of a processor, you could rewrite its microcode. Seems like this would lend itself nicely to implementing a JVM in "hardware"... The question is, do they even use microcode anymore? With the pursuit of speed and optimization, I wonder if they didn't abandon it and go with highly specialized/optimized circuits instead...
Back to the original question -- it would be somewhat ironic if Java weren't available for embedding systems. The original target system was set-top boxes, etc. I've tried a few JVMs on my Palm -- they're getting there! -
How to change system time through java program
Hi
I want to know, how to change system time through java program.
give me a idia with example.
ThanksThere isn't any core Java API for this. Use JNI or call an external process with Runtime.exec().
~ -
Is it possible to create a program for embedded system
Is it possible to create a program for embedded system?
Yes. Many solutions.
1 = http://jcx.systronix.com/
2 = http://www.harbaum.org/till/nanovm/index.shtml (see links to Asuro)
And many more but I'm too lazy too look them for you ...
Dan -
How to read system eventlog using java program in windows?
How to read system eventlog using java program in windows?
is there any java class available to do this ? or any one having sample code for this?
Your friend ZoeHi,
There is no java class for reading event log in windows, so we can do one thing we can use windows system 32 VBS script to read the system log .
The output of this command can be read using java program....
we can use java exec for executing this system32 vbs script.
use the below program and pass the command "eventquery"
plz refer cscript,wscript
import java.io.*;
public class CmdExec {
public static void main(String argv[]) {
try {
String line;
Process p = Runtime.getRuntime().exec("Command");
BufferedReader input =
new BufferedReader
(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine()) != null) {
System.out.println(line);
input.close();
catch (Exception err) {
err.printStackTrace();
This sample program will list all the system log information....
Zoe -
How to read system evenlog using java program in windows
How to read system evenlog using java program in windows???
is there any java class available to do this ? or any one having sample code for this?
Your friend ZoeWelcome to the Sun forums.
>
How to read system evenlog using java program in windows???>
JNI. (No.)
>
is there any java class available to do this ? or any one having sample code for this?>You will generally get better help around here if you read the documentation, try some sample code and come back with a specific question (hopefully with an SSCCE included).
>
Your friend Zoe>(raised eyebrow) Thank you for sharing that with us.
Note also that one '?' denotes a question, while 2 or more generally denotes a dweeb. -
Set system classpath using java program??
Hi,
I want to set the System classpath using java program. Can somebody please tell how to do this.
Prashantbut this will set the classpath for that particular JVM only.
Isn't it??? I want that of SYSTEM so that user can access that class path from any JVM instance.
Prashant -
The system variables in java, NEEDED ONLY at CLI execution of java programs
The system variables in java, NEEDED ONLY at CLI execution of java programs, and NOT needed at all[essentially] if I install bundle(14+6.7)?
if I install bundle(14+6.7) to run-test a web app with netbeans 6.7 what I must press, then opens the default browser? I have to be online,...? How I test browse my project?Probably a complete tutorial on all possible environment variables in addition to a tutorial on netbeans configuration.
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Systems level programming in Java
Sometimes I heard people saying systems level programming in Java. And
I have seen some job posting also say that. Systems level programming
usually are done in C/C++. Can Java do that? Any examples?
please advise. thanks!!My definition of system level programming includes the need to directly access the hardware through ports, interrupts,. calling BIOS functions and other system level code. Since Java can't do any of this, you can't do system level programming in Java.
However, if you accept another definition, you probably can do it.
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