JAVA Combining Applications & Applets

I'm a student working with GA's and I'm wondering if it's possible to do a couple things:
1) Is it possible to tweak JDK's optimization settings to run code faster with less safety? - I need speed!!
2) Say I have data within a standard APPLICATION (class blahblah java static void main (strings[] args) etc.) and I want to pass that data into an APPLET or some system that can graph the data of the program as it is generated? Is this possible? Is their a tutorial or some simple (by simple I mean < 20 lines) code I could learn from please?
Thanks...

1. No. You can't increase speed by altering safety. There's a large amount of performance information in this site - both in Sun documents and these forums, do some searching using the advanced search link at the upper right.
Here's an online book on performance: http://java.sun.com/docs/books/performance/
2. Just code the whole thing as an application. Applet isn't needed.
Here's a tutorial on Java 2D: http://java.sun.com/docs/books/tutorial/2d/index.html

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For standalone java applications Applet is better or Frame is better?

Hi Every body,
Iam new to java standalone application developement.As per my knowledge both Applet aswell as Frame concept can be used to develop java
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So please some body guide me.
Thanks in Advance
Basavaraj M

A JFrame not a frame will be most apropriate because that just what it supposed to be used for but u can consider a JApplet if u want to incorporate it into a web application.
Sq2000

Java card application and applet

Hi
I' am developing a java card application which has three applets (1-ID, 2-Purse, 3-Library). I mean the same card should be use for personal ID, purse, and as library card. Using eclipse I first have to create a new project.
File-New-New project-java card project. Then in the package Explorer view right click src then New-other-java card Applet. My question is because my java card application has more than one applet how do I add the other two. Should I add the other two by clicking src again or just add them under the same source code belonging to the java card Applet created at the beginning.

you mean by again doing right click src then New-other-java card Applet.

Netbeans Java Desktop Application Problem

Hi
I have build a java desktop application via netbeans and it creates a jnlp file to execute this applets however in my project when i press a button on an applet it opens another applet and send some parameter via html file how can i do that in desktop application because it doesnt have html file it only has jnlp file ?
Thanks

I guess I didnt make myself clear enough,I dont want to use another applet's public methods I want to execute it
Lets make a scenario
assume that I have an applet a and applet b
on applet a there is a button called open applet b and when somebody press this button applet b will be opened
Before I was doing that like this
URL page = new URL("http://www.xxx.edu.tr/~team5/nps/build/giris.html");
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How Loaded Maya Scene in to Java 3D Application ?
when I run the application, I get "com.sun.j3d.loaders.ParsingErrorException: Unrecognized token, line 1" .
Please help me.
import com.sun.j3d.loaders.objectfile.ObjectFile;
import com.sun.j3d.loaders.ParsingErrorException;
import com.sun.j3d.loaders.IncorrectFormatException;
import com.sun.j3d.loaders.Scene;
import java.applet.Applet;
import java.awt.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.geometry.ColorCube;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.io.*;
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public A() {
setLayout(new BorderLayout());
GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
Canvas3D canvas3D = new Canvas3D(config);
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scene.compile();
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simpleU.getViewingPlatform().setNominalViewingTransform();
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BranchGroup objRoot = new BranchGroup();
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Scene s = null;
try {
s = f.load(filename);
catch (FileNotFoundException e) {
System.err.println(e);
System.exit(1);
catch (ParsingErrorException e) {
System.err.println(e);
System.exit(1);
catch (IncorrectFormatException e) {
System.err.println(e);
System.exit(1);
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} // end of createSceneGraph method
* @param args the command line arguments
public static void main(String[] args) {
// TODO code application logic here
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My guess is that you are using the ObjectFile loader, which is for a (don't remember which application) object (.obj) file, rather than using a 3ds loader, which would be for loading a .3ds file.
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Front End for BW 3.5 and Java based application

We are trying to connect two systems; SAP based (through BW) and Non-SAP based (Sybase, Java based) applications. We are exploring BI Java SDK with UDDI or XI services to bring Non-SAP data to NetWeaver. We don't want to store all data from sybase to BW. We could use Front end of BW or any other GUI from SAP Portal. I have heard options like UI, GUI machine, net weaver developer studio, visual composer. Ideally, we would like to combine non-sap and sap data in Business explorer/BW web browser but any other front end suggestion within Net weaver frame work will help us keep our cost down. Please advise.
Thanks.
Vinay Karna

We're in the middle of upgrading from 3.1 SP 22 BW w/6.20 SAPGUI. We've only upgraded a sandbox BW server at this point, but we have upgraded all BW team members with SAPGUI 6.40 FEP 5 and can successfully connect to our 3.5 and 3.1 BWs.

JRE 6 freeze browsers and Java Control Panel Applet stops working!

Hello,
this is the second time I got this problem with Java JRE 6 ! First one was a month or two ago:
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...my java control panel applet is not working and give me this:
http://www.iouppo.com/lite/pics/df9b61008b5bf9de61a13d8bfa3ddad1.jpg
I tried disabling UAC, running JRE, starting Win7 in safe mode with network...but browser always freeze. It's not a true freeze, with CPU busy at 100% (cpu stays in idle) but it seems to wait for something. It's not a problem with video card driver on my machine, because I can start java control panel from command prompt...and without the noddraw switch, using this command:
javaw -Xbootclasspath/a:..\lib\deploy.jar -Duser.home="%HOMEDRIVE%%HOMEPATH%" com.sun.deploy.panel.ControlPanel
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Then this morning...I tried the java test page.....and surprise! It's not working anymore!
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I don't want to restore my image every month!
My system is 100% virus free and from the last image restoration I didn't visit suspicious sites and so on....I have antivirus and antispyware software...all is perfectly CLEAN. Any ideas or things to try?

I'm beginning to think it's something related to Hybernation after using JAVA....I'm using it very often...and if I use it...and I suspect Java is KO...i try control panel and it doesn't works....then I try with browser and it freeze (or keep waiting...and i can only force to close it)
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http://www.iouppo.com/lite/pics/09501eb799c165bb25ece8fd3261e41c.jpg
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Why my JCOP do not create CAPs for my java card application?

I am using Eclipse 3.3.1.1 and JCOP tools3.1.2.
When I create Java card application or applet, it doesn't create cap files for me automatically. Why?
I used JCOP before, it always created new CAP files replacing the older ones when I saved the source code.
Does the version of Eclipse conflict with that of JCOP?
By the way I am using JDK 1.6 for my default lib.
Thanks!

Well it works. I tested it with your version.
- Check out if your project has the JCOP nature.
- Check via the Navigator view if the javacard folder is created, including the .exp and .cap file (you need to refresh the last folder)
- Check if your Eclipse project setting have automatic build enabled, otherwise you need to trigger the build automatically
- Try to refresh, clean and rebuild the project

Java 1.5 Applet coexisiting with other versions of Java Applets

We have a situation where an applet has been developed using java 1.5; however, the end user machine has java 1.4.2_03 which is required for different java applications/applets. We can not install java 1.5 since it will break multiple applications using java 1.4.2_03.
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when compiling you can decide which compliance you want, java 1.5, 1.4 ...
furthermore you can also set the vm-version when executing an application. (java -version:1.4)
im not sure tho, if theres a way to use that for applets as well, i guess it depends on the particular browser plugin.
i guess its easier if you just down-port your applet to 1.4.

Reg: java card application needs

Dear experts,
i am a newbie to java card, After a lot of googling, i found JACCAL to aid java card programming development. I have downloaded and installed it but i dont know how to use it? any help will be greatly appreciated,
By the way, i need to know why do we need IDE or tools for java card programming?. Cant we complete right from typing program to till burning on card using the java card kit ? please correct me, if i am wrong.
I have tested the sample programs successfully with java card kit 2.1.2. My doubt is, What are the needs for java card application, like what CAD, card and tools should be used or purchased(most of them ,i found from the web are outdated like JCOP, OCF).
Thanks in advance.
SRI.

you mean by again doing right click src then New-other-java card Applet.

Beginner's Question on simulation of java card application

Hi,
I am trying to run a basic Java card application.
To simulate the java card application, I created jcwde.app and tried C:\>jcwde -p 9025 jcwde.app
I got and exception like:
Exception in thread "main" java.lang.UnsatisfiedLinkError: markHeap
at com.sun.javacard.impl.NativeMethods.markHeap(Native Method)
at javacard.framework.Dispatcher.cardInit(Dispatcher.java:188)
at javacard.framework.Dispatcher.main(Dispatcher.java:63)
at javacard.framework.JCWDEDispatcher.main(JCWDEDispatcher.java:28)
at com.sun.javacard.jcwde.Main.run(Main.java:85)
at com.sun.javacard.jcwde.Main.main(Main.java:148)
Can anyone help me to find out the reason for this exception?
The content of jcwde.app is
// applet AID
com.sun.javacard.installer.InstallerApplet 0xa0:0x0:0x0:0x0:0x62:0x3:0x1:0x8:0x1
wallet.Wallet
Thanx in advance.
anju

I see terms like ...
Core Java: The main libraries.
JDK: (J)ava (D)evelopement (K)it) - AKA: (S)oftware (D)evelopement (K)it although the terms are not exactly synonomous
J2EE:(J)ava 2 (E)nterprise (E)dition (builds on the J2SE with additional librarities for true business application building)
J2SE: (J)ava 2 (S)tandard (E)dition (The core libraries for general Java program developement, w/o the extra stuff that is in the J2EE
Go to java.sun.com and check out the tutorials, the readme files that come with the downloads, the release notes, etc ... HTH

Auto start Java Card application

Hello,
is it possible to start a Java Card application from the SIM card right after the mobile is switched on?
I talked to a guy from a SIM card manufacturer and he told me it's possible since the device checks on start if a Java Card application is present to display it in the phone's menu, but it's device dependant how it's done and if the application really will be started (which sounds kind of strange).
Can someone give me more details if it's possible to auto start a application and how it's done ( code snippet would be great ; )?
Thanks in advance,
teric

The first event after ME startup, which STK applet could catch is Terminal Profile.
So, in applet class constructor should be smthng like
ToolkitRegistry reg = ToolkitRegistry.getEntry();
reg.setEvent(EVENT_PROFILE_DOWNLOAD);
and applet will trigger on Terminal Profile arrival.

Java Card ROM Applets

Hi
I need to develop Java Card ROM Applets. I need to write native C Code for the Card.
I read in forums that ROM Applets can only be loaded by Vendors. I am the Vendor.
How can I write, compile and test native code for Java Card?
I didn't find any support in Java Card Development Kit downloaded from Sun. Does it have support?
Or is there any other Software kit which supports development of ROM Applets?
Thanks
Abheesh

Most OS providers offer a so called custom masking process, where they merge your applications with the OS into ROM. For instance for JCOP @ NXP, you choose the mask (e.g. JCOP v2.4.1), provide the Java class files and Java Card export files and AIDs. They have an internal tool which created a custom mask where your application source code is residing in ROM. All you need to do now is to instantiate and personalize your application.
Advantages
- Free EEPROM
- Shorter personalization as applications do not need to be loaded
- ROM read is fast than EEPROM read --> better performance as code is read all the time
- ROM cannot as easy be attacked by e.g. light attacks
Disadvantages
- Long lead time of 4 - 6 weeks to produce the mask
- Volume needs to be ordered (2 to 3 wafers minimum = ~10k ICs)
- Dependent on the OS provider <-- compared to loading in EEPROM

SSO java sample application problem

Hi all,
I am trying to run the SSO java sample application, but am experiencing a problem:
When I request the papp.jsp page I end up in an infinte loop, caught between papp.jsp and ssosignon.jsp.
An earlier thread in this forum discussed the same problem, guessing that the cookie handling was the problem. This thread recommended a particlar servlet , ShowCookie, for inspecting the cookies for the current session.
I have installed this cookie on the server, but don't see anything but one cookie, JSESSIONID.
At present I am running the jsp sample app on a Tomcat server, while Oracle 9iAS with sso and portal is running on another machine on the LAN.
The configuration of the SSO sample application is as follows:
Cut from SSOEnablerJspBean.java:
// Listener token for this partner application name
private static String m_listenerToken = "wmli007251:8080";
// Partner application session cookie name
private static String m_cookieName = "SSO_PAPP_JSP_ID";
// Partner application session domain
private static String m_cookieDomain = "wmli007251:8080/";
// Partner application session path scope
private static String m_cookiePath = "/";
// Host name of the database
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private static String m_dbPort = "1521";
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private static String m_dbSchemaName = "testpartnerapp";
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// Database SID name
private static String m_dbSID = "IASDB.WMDATA.DK";
// Requested URL (User requested page)
private static String m_requestUrl = "http://wmli007251:8080/testsso/papp.jsp";
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private static String m_cancelUrl = "http://wmli007251:8080/testsso/fejl.html";
Values specified in the Oracle Portal partner app administration page:
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     Token: O87JOE971326
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Unfortunately the discussion in the earlier thread did not go any further but to recognize the cookieproblem, so I am now looking for help to move further on from here.
Any ideas will be greatly appreciated!
/Mads

Pierre - When you work on the sample application, you should test the pages in a separate browser instance. Don't use the Run Page links from the Builder. The sample app has a different authentication scheme from that used in the development environment so it'll work better for you to use a separate development browser from the application testing browser. In the testing browser, to request the page you just modified, login to the application, then change the page ID in the URL. Then put some navigation controls into the application so you can run your page more easily by clicking links from other pages.
Scott

SSO between a Java EE application (Running on CE) and r/3 backend

Hi All,
Over the past few days I have been trying to implement a SSO mechanism between NW CE Java Apps and R/3 backend without any success. I have been trying to use SAP logon tickets for implementing SSO.
Below is what I need:
I have a Java EE application which draws data from R/3 backend and does some processing before showing data to the users. As of now the only way the Java App on CE authenticates to r/3 backend is by passing the userid and pwds explicitly. See sample authentication code below:
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Any help/pointers on this would be great.
Thanks,
Dhananjay

Hi,
Have you imported the java certificate into R/3 backend system ? if so.
Then just go to backend system and check on sm50 for each applicaion instance of any error eg.
SM50-> Display files (ICON) as DB symbol with spect.(cntrlshiftF8)
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with thanks,
Rajat

JAVA Combining Applications & Applets

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