Java on FREE BSD

Hi!
Can Java run on freebsd?
I am planning to create a server running ung freebsd. I stumbled on a forum post that installing java on freebsd is kind of difficult (you need to compile)

To be brutally honest, most Intel / AMD X86 / X86-64 machines will blow the processors off of a Sun Blade SPARC workstation. However, please don't let that discourage you as it can handle everything you have mentioned and much more. Also, if I were you, I would get the Sun Blade 2500 Silver edition with dual 1.6 ghz and no less that 4 gigs ram. This is the machine that I own and picked it up on ebay for about $600 and it's very nice. SUN workstations have a much higher quality building engineering, thus the hardware is top notch in that respect. Running Solaris 10 on this machine and you will have an EXTREMELY stable platform on which to work. I own one of these systems and run Solaris 10 and inside Solaris 10 I do Solaris 9 and Solaris 8 development / testing running each OS in its respective zone. Consider this the VM technology of SPARC Solaris. :) You're absolutely correct in that Solaris is a very powerful UNIX operating system and the integration between SPARC and Solaris is unmatched when comparing to the X86 world. The closest competitor is Apple, which are also very nice.
In conclusion, I absolutely love my SPARC Sun Blade 2500 Silver and highly recommend any enthusiast to pick one up on ebay for cheap.
Regards,
JT

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Free bsd and java

Hi
do anyone know that how i can set up java in free bsd
which installation package i must use
if i download java sdk for linux ;can i install it free bsd
i m new on free bsd
please help me\
thanks for your interest

Hi, I am attempting to install j2sdk1.3.1 for free bsd as well. I used the linux version. But I found the installation started but aborted in the middle. I tried j2sdk1.4.1 as well. The same problem appeared.

Are Java Interfaces 'free'?

From a performance point of view, are Java interfaces free?
That is, if I have:
class Foo
public void bar() { ... // some code }
}and I change it to:
interface Foo
public void bar();
class FooImpl implements Foo
public void bar() { ... // some code }
}And I call one or other of the Foos like
Foo foo // A parameter, field or local variable.
foo.bar();Does calling foo through an interface add any overhead that calling it direct in the first example not? As I understand it, all methods are 'virtual' in Java, so it should perform the same in either case.
Thanks for any of your thoughts.
Rupert

rupertlssmith wrote:
YoungWinston wrote:
The Second Rule of Program Optimization (for experts only!): Don't do it yet.
- Michael A. Jackson
Basically, don't worry about it. Worry about writing clear, correct, object-oriented code.
Wierdly enough, in the long run, that is more likely to help than anything else you can do, should (and if) you ever need to worry about optimization in the future.
WinstonThanks for the advice. I can write good clear OO code. I am now at the future and worrying about optimization, so have made it past the second rule!Then you exactly know where your bottleneck is from the profiler you've used. Did it tell you that your interfaces are the bottleneck? If so, why do you even bother to ask here?

Java tool free

Hello;
I search a java tool (free) to develepp, debugg and deployement .
Jbuilder is very expensive for my.
Best regards;
Djamel;

The Sun ONE Studio package is a powerful IDE based on the NetBeans Tools Platform. The Community Edition of this package is free and can be obtained from
http://wwws.sun.com/software/sundev/jde/
The Sun ONE Studio is allows you to
* Create stand-alone applications and applets
* Supports development of JavaBeans components, JavaServer Pages, (JSP), Servlets, and JDBC

Why java is free?

I don't understand why java technology is free to download, and even more of this, the source code is available.
I think sun can make a lot of money from us. (without giving ideas)

They're trying mic$ofts trick - for years micro$oft offered wondoze on easy to copy disks, with little or no security (even though they could have implemented some kind) knowing that people would pirate it, and spread it around very quickly. Then, when most of the computing world is hooked on using windoze, they upgrade to a flashy secure version that you have to pay loads for. It was a gamble, but certainly paid off. What sun are doing is the only possible tactic for them at the moment, which is to spread java as much as possible to ensure loads of people use it - they are not doing this for fun, or the love of the language, but purley and simply as a business strategy.

SCJP 1.4 - Java Certification Free Training Centre

Hi,
JavaCertificate.com is a web site that will help you prepare for your Sun Java 1.4 certification. If you are already a Sun certified Java programmer then you can still refresh your knowledge by challenging yourself with one of our 300 different mock exams.
We are providing a free certification centre that monitors your progress over time. Each Java objective can be tested individually and your faults can be tested until you understand the study material. The certification centre enables you to select questions and build your own mock exam. Each mock exam covers the nine objectives and has the same number of questions as the real examination.
Javacertificate.com has been voted by about.com as "Best of the Net" after 2 weeks launch of the web-site.
The Java Certificate team wishes you good luck!
http://www.javacertificate.com

This is really great. Definitely it will help a lot. I will enjoy it since I am going to take the exam soon.
Kaixin

Best way to learn Java. Free resources online?

Hello. I would like to start to learn Java but have no programming background except for Visual Basic and the basics of PHP. I started to learn about a week ago and now have a good understanding of some of the basic concepts, such as the IF, SWITCH, LOOPS, PRINTLN, ect. I am very interested in developing applications for the Blackberry and was wondering where I should start and what I should learn. Must I learn the entire Java programming language to start to develop mobile applications? Are there any free resources on the Sun Java website that would be able to help me learn?
Thank you
Edited by: n3xtgen on May 20, 2010 12:27 PM

n3xtgen wrote:
Must I learn the entire Java programming language to start to develop mobile applications?Depends on what you mean by "entire Java programming language". You should probably have a solid understanding of the language and concepts before attempting mobile development.
The Java language itself is the same when developing for mobile devices (except you may be forced to rely on an older version of the language). But debugging/deployment/running your code becomes more complicated as soon as you target mobile devices.
Therefore I suggest you take some time to learn "normal" Java development. It will definitely pay of in the long run.
Are there any free resources on the Sun Java website that would be able to help me learn?There are [the tutorials|http://java.sun.com/docs/books/tutorial/]. They are pretty useful.

Installed anfy java 2. free download. Previewing an aplet -will not run in FireFox but will run with I.E. . i have win 7 home.

to preview an applet created in Anfy Java 2. will not load in FireFox. error message is that it can not find the file. however previewing in I.E does work.

You must provide the exact name and version of the software for anyone to attempt to answer your question. Primarily the functionality of any software is entirely dependent on what platforms the publisher intended the software to run on.
If you are the programmer you need to go to the Microsoft Developer Network forums for assistance:
http://msdn.microsoft.com/en-US/#fbid=Xt631zR1D90.
This is an End Users' Peer-to-Peer forum that does not address programming from any perspective.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”

Problem installing Free BSD 64-bit with VMware Player on Thinkpad W510

I installed VM Ware Player on the latest Thinkpad W510 with a 2.66ghz Intel processor. I am getting an error message indicating that the CPU doesn't support long mode. I was advised by the freenode #freeBSD channel that long mode is x86_64/amd64/emt64. This same channel also suggested that I tell vmware it was a 64bit guest. But I don't know how to do this. How do I do this? VMware Player didn't offer me any user options during the install. Is this something I should setup in the bios of the Thinkpad? Or something else? Is there more than one version of the VMware pLayer?

Look on BIOS if VT is enabled.
Best regards.
IPnaSh
First Spanish Community Guru - Colaborador ad honorem

Is it Java free for comemercial use?

Hay , this is Vikram
Me & my friends want to establish new company.
But we don't know is java is free for company use?
if any buddy know it then please tell me?

hi...

Using headless with JAVA 1.3

i have wrote a program which draws images, acording to its input.
when working with java 1.4, one can set the system property "java.awt.headless" to "true", and by that creating images in offscreens programs.
I am using a server which runs on Free BSD, and java 1.3 and it is not working there.
what else can i do to make it work?

Maybe this will help you:
http://lists.isb.sdnpk.org/pipermail/comp-list/2002-September/001276.html
Quoting:
For those using JDK 1.3 and before, there's the Pure Java AWT (PJA)
Toolkit, available from eTeks. It's a headless Java server that's
configured
in much the same way as the 1.4 Sun version, via a set of -D property
flags.
You'll need to download the jars, put them in your classpath, and then
set the following flags:
Dawt.toolkit=com.eteks.awt.PJAToolkit
Djava.awt.graphicsenv=com.eteks.java2d.PJAGraphicsEnvironment
With the IBM JDK, you may find you need the following properties where,
lib/pja is the location of your PJA jars:
Djava.awt.fonts=$JAVA_HOME/jre/lib/fonts
Djava2d.font.usePlatformFont=false
Duser.home=lib/pja
You can download the PJA Toolkit from eTeks' Web site.
http://www.eteks.com/pja/en/

Setting Up a Java Web Server on Linux

Greetings,
After a lot of reading, I've decided to learn Java server-side technologies (I already know Java (desktop)
but with little experience) in order to develop my database driven dynamic website projects.
However, I'm completed lost between the hundreds of acronyms related to Java and the "thousands" of technologies involved.
Google hadn't help me understand what they really are and how they relate with each other.
Even though is easy to find what they stand for and some faqs/descriptions, it hasn't been enought to clear my mind.
I want my webserver application to do, among other things, the following:
Retrieve Data from a database, do generate dynamic html files.
Story Data on the database, from html forms.
Send automaticly emails for multiple users. (newsletter for example)
E-Commerce.
Html graber/parser (I don't know if this is the right word, I mean a program that for example, goes to a URL with an html
table, and stores that information in a database table, as long as the format didn't change).
Real Time Chat feature.
Database connection pooling, caching, and other important optimizations.
I'm not asking for how to develop or configure this features nor what components and programs, must be installed.
At the moment, I only want to know how to set up a Java solution that will support them when they are needed.
*** Linux ***
I want to set up my webserver on a linux distribution.
In that respect, I don't know if I should choose RedHat or Fedora Core.
I've heard that fedora is better for a webserver (having in mind that Red Hat Enterprise AS/ES aren't free).
But I've read in several sun turorials/webpages references to RedHat (on a J2EE context).
So I'm wondering if is better to go for Fedora or RedHat. Are there pros & cons? They equally support Java?
*** Technologies ***
Then in starts the acronyms problem.
What do I need to install, in what order, for what?
Some aconyms and technologies, I have read about but don't fully understand are the following:
Apache
J2EE
J2EE 1.4 SDK
SUN Java System Application Server Platform Edition 8
J2SE 1.4.2 SDK
SUN Java Enterprise System
Tomcat
Struts
Cocoon
JBoss
I already know J2EE is only a specification. What implements that specification? Sun Java System Application Server?
J2SE SDK? or Tomcat?
What is the role of each technology, namely Apache, Tomcat, Sun Application Server?
What is the Sun Java Enterprise System?
How do Struts, Cocoon, JBoss relate to Java?
Which of these technologies are mutually exclusive (analogous)?
*** Doubts ***
Then, I have some doubts that are keeping me from starting to study seriously the important techonologies, because I don't
want to lose lot's of time and effort learning them to after a dillusion start everything again with PHP (the language
which make me think and read a lot before going for Java). To keep this from happening, I would like to know the following:
I want to use Java for developing websites with commercial/profitable use for my company, in some throught e-commerce,
and in other by banners. I want to do everything by the book, with required licenses.
------ Java is Free?
Is Java Completely Free or it might be possible that at a certain point, when I need some component or library,
multi-machine webserver, performance or security for high-traffic I will see "buy now" instead of "download now"?
For what they may "ask for money"? and what are the disavantages if I can't buy?
For example, "Java System Application Server Standard Edition 8.1 2005Q1" and
"Java System Application Server Enterprise Edition 8.1 2005Q1" cost $2.000 and $10.000 respectively. That is money.
(http://www.sun.com/software/products/appsrvr/index.xml). What are the disavantages if stick to the free edition?
Features like (from sun site)
Standard Edition:
Extends the capabilities of the Platform Edition to provide secure, remote, multi-instance, multi-machine management.
It is aimed at high-volume applications and Web services.
Enterprise Edition:
Further extends the capabilities of the Standard Edition to provide continuous availablity for applications and
Web services. It is aimed at business critical, high value applications and Web services.
Suppose I achive lots of traffic and I keep the free platform edition.
I won't be able to have a multi-machine webserver set up correctly?
What are the drawbacks? How big are the performance penalties?
------ Technologies Availability
Finnaly, I have the idea (I don't know if it's accurate) that there are Sun versions and Open-Source Free versions
of doing or supporting the same Java related thing.
Despite the way I choose to set up a Java webserver, I will always have all J2EE techonolies like:
Java API for XML-Based RPC (JAX-RPC), JavaServer Pages, Java Servlets, Enterprise JavaBeans components,
J2EE Connector Architecture, J2EE Management Model, J2EE Deployment API, Java Management Extensions (JMX),
J2EE Authorization Contract for Containers, Java API for XML Registries (JAXR), Java Message Service (JMS),
Java Naming and Directory Interface (JNDI), Java Transaction API (JTA), CORBA, and JDBC data access API.
I really appreciate some help. I could learn the basics of all this "stuff" before asking. But the point why I'm asking
is precisely not starting to learn something I may won't use. Obviously, I will have to make a lot of reading during maybe
months before writing the first line of code of my projects, but being certain that it will fit my needs.
I will be very thankful if you can enlightme in my fedora/redhat, setup, free/cost and technologies avaibility issues.
Thanks Beforehand,
Pedro Vaz

Apache is a free Web-server.
Tomcat is a servlet (and JSP) container. It can be stand-alone or can be used together with a Web server (like Apache).
J2EE's scope is much wider than the servlet stuff, but a standalone Tomcat is a good starting point to servlets and JSP.
One of our "real-world" applications is run by a standalone Tomcat using POI and Velocity. I did not regret this architectural decision.

How to find out memory of a java card

is there anyone could tell me that how can we check the size of the memory of a card? thank you in advance:D

If the card is a Java Card 2.2.1, create an applet that returns
JCSystem.getAvailableMemory(), install and queryit.
Some other ideas for getting the free memory on card were presented in the thread "Java Forums - Free memory on card"
http://forum.java.sun.com/thread.jspa?threadID=647894&tstart=30
Jan

Help with 'Thinking in Java' excercise

Have been working through the excelent Thinking in Java book (free download from www.bruceeckel.com) but cant understand one of the excercises from chapter 6. The question is:-
" Create two classes, A and B, with default constructors (empty argument lists) that announce themselves. Inherit a new class called C from A, and create a member of class B inside C. Do not create a constructor for C. Create an object of class C and observe the results."
I'me OK with all this apart from the "and create a member of class B inside C", I dont understand what this means. Is member the same as object, in whitch case douse it mean create a object of class B in C?
Ben

Sounds like a private data member:
public class A
    public static void main(String [] args)
        C c = new C();
    public A() { System.out.println("Created an A");
class B
    public B() { System.out.println("Created a B");
class C extends A
    private B b;

N900 - Error in websites requiring java enabled de...

I bought my device on 16.07.2010 for online stock streaming which requires java enabled device. I tried many sites which provide live stock market price but invain.Let me provide some websites: (1) https://trade.hdfcsec.com/ Or www.hdfcsecurities.com >Tradenow> Login with username>Login with Password>site map>BLINK (which provides streaming of live stock market prices). Issue will start after opening the page.
(2) www.advfn.com >login (Issue will start after login)
(3) www.sify.com >finance>stockometer (Issue will start after click on stockometer) and so on. In all these websites error message is same as follows. (Tried with Maemo default browser, Mozilla Firefox maemo version and Opera mobile also).
Error messagege: Applet cannot be loaded in your browser. You need to have a java enabled browser to run this applet. Download java run time - version 6 from http://www.java.com/en/download/index.jsp .
Java is free to download for all operating systems from sun java.I have downloaded the same and tried to install on my N900 maemo 5 device, and installation ends with application manager “file corrupt message”.
Is there any solution for this kind of problem?
Is there any alternative solution for this kind of issues?
I bought this device exclusively for live market streaming. Which does not address the purpose of the device for me?
For kind information I have updated my firmware with latest version 10.2010.19-1.203.1. Kindly help to resolve this issue at the earliest. I am badly in need of it.

that font is too large..
The N900 does not support Java. There is no simple solution to getting a web applet working in or outside the Maemo microb web browser..
Oracle do not provide a version of Java for the N900..

Java on FREE BSD

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