N900 - Java support?

Hi,
After completely disappointed with N97, this (N900) seems to be much better, although Maemo is new but I am fascinated by its features.It just need to work faster and reliable way. (Of course UI and its apps are important as well)
I couldn't go for iPhone 3GS (although I could) as I prefer keyboard and htc, samsung and others are not so interest me, don't know why. I still want to stick with Nokia so this new device attracted me before I deviated from Nokia.
However, I am concerned about (as someone already mentioned) 3G network and java support. Does anyone knows if it supports java? It doesn't bother me if it doesn't support mms but 3G and java are what I want in this device.
Thank you!
grgs

Java support could be a bit of an issue. There are really three questions and I'm not sure which one you've asked. Firstly is the ability to run phone Java apps such as those you'd run on a S40 handset or a handset from any other vendor. This particular phone is unlike to have the Java infrastructure required to run such apps, particularly since the integration of such API is complex and not really where this device is aimed.
Secondly is embedded java applications within the browser. I did not realise that the browser was fennac, I thought it was still microb.. either way, a java plugin to run standard applications should pose too much of a problem.. but..
the last issue is running stand alone Java apps.. this is likely to be much more of a problem then you'd imagine. Java's UI interface Swing and the likes would need to be updated to allow applications to adopt the look and feel of Maemo.
Running Java applications on Mac OSX could be done easily using X11, but the application would not benefit from the Mac OSX user interface (menu bar along the top)
Any work to make java support Hildon is likely to be rendered ineffective as Maemo5 moves away from Hildon to a newer look and feel. Java support is really unlike to be in there or even available from day one.. I've never tried to run a Java app or even my own code on any previous devices, so I couldn't really give any authority to my opinions here.. sorry

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defaulttrc.0.trc"
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#1.5 #0050569379EA001500000D53000016300004B40029F81C09#1323812703907#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###com.sapportals.portal.prt.runtime.PortalRuntimeException: [ApplicationItem.release]: SAPJ2EE::sap.com/tcwd4vccorestdinfoactors#
#1.5 #0050569379EA001500000D54000016300004B40029F8209A#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:506)#
#1.5 #0050569379EA001500000D55000016300004B40029F82100#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.PortalAppBroker.releaseAllItems(PortalAppBroker.java:590)#
#1.5 #0050569379EA001500000D56000016300004B40029F82147#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.PortalAppBroker.shutdown(PortalAppBroker.java:672)#
#1.5 #0050569379EA001500000D57000016300004B40029F8218D#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.runtime.Portal.shutdown(Portal.java:725)#
#1.5 #0050569379EA001500000D58000016300004B40029F821D1#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.PortalCoreInitializer.shutdown(PortalCoreInitializer.java:111)#
#1.5 #0050569379EA001500000D59000016300004B40029F82215#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.dispatcher.PortalInitializer.shutdown(PortalInitializer.java:164)#
#1.5 #0050569379EA001500000D5A000016300004B40029F8225A#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.dispatcher.Dispatcher.destroy(Dispatcher.java:651)#
#1.5 #0050569379EA001500000D5B000016300004B40029F8229E#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.services.servlets_jsp.server.runtime.context.WebComponents.destroyServlets(WebComponents.java:722)#
#1.5 #0050569379EA001500000D5C000016300004B40029F822E4#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.services.servlets_jsp.server.container.ApplicationThreadDestroyer.run(ApplicationThreadDestroyer.java:62)#
#1.5 #0050569379EA001500000D5D000016300004B40029F82329#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)#
#1.5 #0050569379EA001500000D5E000016300004B40029F8236C#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at java.security.AccessController.doPrivileged(Native Method)#
#1.5 #0050569379EA001500000D5F000016300004B40029F823AF#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)#
#1.5 #0050569379EA001500000D60000016300004B40029F823F3#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)#
#1.5 #0050569379EA001500000D61000016300004B40029F826A8#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###Caused by: com.sapportals.portal.prt.runtime.PortalRuntimeException: Exception during stop of application: SAPJ2EE::sap.com/tcwd4vccorestdinfoactors#
#1.5 #0050569379EA001500000D62000016300004B40029F82700#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.SAPJ2EEApplicationItem.releaseResources(SAPJ2EEApplicationItem.java:162)#
#1.5 #0050569379EA001500000D63000016300004B40029F82747#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:479)#
#1.5 #0050569379EA001500000D64000016300004B40029F8278A#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     ... 12 more#
#1.5 #0050569379EA001500000D65000016300004B40029F82AA4#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###Caused by: java.lang.NullPointerException#
#1.5 #0050569379EA001500000D66000016300004B40029F82AF6#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.portal.prt.sapj2ee.SAPJ2EEPortalRuntime.getSAPJ2EEApplicationState(SAPJ2EEPortalRuntime.java:630)#
#1.5 #0050569379EA001500000D67000016300004B40029F82B41#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.service.sapj2ee.Mediator.getSAPJ2EEApplicationState(Mediator.java:216)#
#1.5 #0050569379EA001500000D68000016300004B40029F82B87#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.SAPJ2EEApplicationItem.releaseResources(SAPJ2EEApplicationItem.java:121)#
#1.5 #0050569379EA001500000D69000016300004B40029F82BCB#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     ... 13 more#
#1.5 #0050569379EA001500000D6A000016300004B40029F82D15#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###com.sapportals.portal.prt.runtime.PortalRuntimeException: [ApplicationItem.release]: SAPJ2EE::sap.com/com.sapportals.connectors.sap#
#1.5 #0050569379EA001500000D6B000016300004B40029F82FE9#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:506)#
#1.5 #0050569379EA001500000D6C000016300004B40029F8303F#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.PortalAppBroker.releaseAllItems(PortalAppBroker.java:590)#
#1.5 #0050569379EA001500000D6D000016300004B40029F83085#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.PortalAppBroker.shutdown(PortalAppBroker.java:672)#
#1.5 #0050569379EA001500000D6E000016300004B40029F830E5#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.runtime.Portal.shutdown(Portal.java:725)#
#1.5 #0050569379EA001500000D6F000016300004B40029F8312A#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.PortalCoreInitializer.shutdown(PortalCoreInitializer.java:111)#
#1.5 #0050569379EA001500000D70000016300004B40029F8316F#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.dispatcher.PortalInitializer.shutdown(PortalInitializer.java:164)#
#1.5 #0050569379EA001500000D71000016300004B40029F831B4#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.dispatcher.Dispatcher.destroy(Dispatcher.java:651)#
#1.5 #0050569379EA001500000D72000016300004B40029F831F8#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.services.servlets_jsp.server.runtime.context.WebComponents.destroyServlets(WebComponents.java:722)#
#1.5 #0050569379EA001500000D73000016300004B40029F8323E#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.services.servlets_jsp.server.container.ApplicationThreadDestroyer.run(ApplicationThreadDestroyer.java:62)#
#1.5 #0050569379EA001500000D74000016300004B40029F83283#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)#
#1.5 #0050569379EA001500000D75000016300004B40029F832C9#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at java.security.AccessController.doPrivileged(Native Method)#
#1.5 #0050569379EA001500000D76000016300004B40029F8330C#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)#
#1.5 #0050569379EA001500000D77000016300004B40029F83350#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)#
#1.5 #0050569379EA001500000D78000016300004B40029F835C4#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###Caused by: com.sapportals.portal.prt.runtime.PortalRuntimeException: Exception during stop of application: SAPJ2EE::sap.com/com.sapportals.connectors.sap#
#1.5 #0050569379EA001500000D79000016300004B40029F8361A#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.SAPJ2EEApplicationItem.releaseResources(SAPJ2EEApplicationItem.java:162)#
#1.5 #0050569379EA001500000D7A000016300004B40029F83662#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:479)#
#1.5 #0050569379EA001500000D7B000016300004B40029F836AA#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     ... 12 more#
#1.5 #0050569379EA001500000D7C000016300004B40029F83A09#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###Caused by: java.lang.NullPointerException#
#1.5 #0050569379EA001500000D7D000016300004B40029F83A67#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sap.portal.prt.sapj2ee.SAPJ2EEPortalRuntime.getSAPJ2EEApplicationState(SAPJ2EEPortalRuntime.java:630)#
#1.5 #0050569379EA001500000D7E000016300004B40029F83AAF#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.service.sapj2ee.Mediator.getSAPJ2EEApplicationState(Mediator.java:216)#
#1.5 #0050569379EA001500000D7F000016300004B40029F83AF5#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     at com.sapportals.portal.prt.core.broker.SAPJ2EEApplicationItem.releaseResources(SAPJ2EEApplicationItem.java:121)#
#1.5 #0050569379EA001500000D80000016300004B40029F83B3A#1323812703922#System.err#sap.com/irj#System.err#J2EE_GUEST#0##n/a##9e83aed325d311e18905000000f14ae6#SAPEngine_Application_Thread[impl:3]_30##0#0#Error##Plain###     ... 13 more#

How java support multiple inheritance by the use of interface.

As per my understanding, Interface is just having the signatures of the methods not the implementation.
So How java support multiple inheritance by the use of interface?
Answer 1: we can institate interface reference by its implemented
class.
          �� interface inf...
          �� class aa implements inf..
          �� class bb implements inf....
           Now, inf i = new aa();
           inf i = new bb();
Answer 2: We can extends as many interface as we want in the
single
           interface.
           i.e. interface infFirst....
           interface infSecond....
           interface infThird....
           Now ,
           interface ingMulti extends infFrist, infThird...
By above two answers its not prity clear as per the multiple inheritance in C or C++.
           i.e.
           class first{
           method abc();....}
           class second{
           method bbc()......}
           class multi::first::second{
           we can call to abc();.....as well as bbc();
-Please give your important suggstion on the same.(Hope I explain it well.)
-Jeff

The keyword implement is used only for interfaces not
for abstract class. If i am wrong correct me.I believe your right, but I will double check.
As for the multiple inheritence think about the following code:
class Animal {
    // Animal generic stuff in this class
interface Eat {
    // Generic stuff that models eating behavior
interface Runs {
    // generic methods that model running behavior
public class Horse extends Animal implements Eat, Runs {
    // Stuff specific to a horse
}The Animal class is generic but has stuff in it common to all animals.
The Eat interface models behavior that is generic to eating, all living things have to eat something to survive. Herbavore are different from carnivores.
The Runs interface models generic behavior to running, such as speed. A cheeta definately runs faster than a human.
This brings us to the Horse class. It extends the Animal class because it "is-a" animal, and it implements the eat and runs interface because they are behaviors a horse has.
I hope that helps.
Extending an abstract class is the same as extending a regular class with the exception you MUST override all abstract methods in the abstract class. Thats not too difficult but I believe when designing classes, designing an abstract can be more diffecult than modeling the base class, and generic behaviors in interfaces. JMO.
JJ

What type of image files can java support?

I there I'm trying to figure out what type of image formats does java support. Am I right in thinkning that it only supports:
BMP
JPEG
GIF
TIFF

I there I'm trying to figure out what type of image
formats does java support. Am I right in thinkning
that it only supports:
BMP
JPEG
GIF
TIFFyup...i think thats about more than enough for normal users right?
correct...

Validate form entries: does java support regular expressions?

i want to validate form entries, does java support regular express like javascript?

Just recently in 1.4 regex was finally introduced :)
Take a look at http://developer.java.sun.com/developer/technicalArticles/releases/1.4regex/

How to apply java support packages.

hi all,
i applied support packages for 4.7EE but i dont know how to apply java support packages.
can anyone explain about how to apply java support package for netweaver s??
from scratch anyone can explain.
regards
vijay

Hello Vijay ,
Java Support packs can be installed without using SDM also if you are on NW2004.
Process:
Eg SP18
Download the following DVDs
1. WebAS 6.40 SP18(Part 1/4): SAP Installer
2. WebAS 6.40 SP18(Part 2/4): SAPInst Control File for Oracl
3. WebAS 6.40 SP18(Part 3/4): OS Depend. parts of Java RuntiA
4. WebAS 6.40 SP18(Part 4/4): OS Indep. Parts of Java Runtime
Uncar each of them in the sequence
1,4,3,2
Once u uncr then u will get some more uncarred files
eg D:\sapinst\J2EE-RUNT-CD\SCS\NT\I386\SCS.SAR uncar it into run directory : DIR_CT_RUN ( D:\usr\sap\SRX\SYS\exe\runU)
Note: The value of DIR_CT_RUN can be found In Profile SRX_SCS01_B3BPH1W)
Run SAPINST
Note:Give RFC user as 000 DDIC
Java Support packs can be installed using JSPM if you are on NW2004s
1)Download SP Stack or SP
2)Copy the SCA files to /usr/sap/trans/EPS/in
3)Execute the JSPM go.bat from \sapmnt\SID\DVEBMGSXX\j2ee\JSPM
4) Provide SDM Password
5 ) Select the Traget SP level .
6 ) Deploy.
Also, you can find the current SP Level in http://localhost:5<instance numeber>00 and then system information.
Regards ,
Santosh Karadkar <a href="https://forums.sdn.sap.com/click.jspa?searchID=-1&messageID=3819594">Click here for further info</a>

How does java support the concept of destructor?

How does java support the concept of destructor?

@KunalSurana: before you flood the forum with basic questions, do us a favour and read.
[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.co.uk/exec/obidos/Author=Bloch,%20Josh]
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.bookpool.com/sm/0321349806]
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/]

Java supports runtime polymorphism?

Java supports runtime polymorphism but fails if overridden method is a static method?

As static method associated with a class (with all the instances) it may fail the runtime polymorphism.
But I can see the overriding is still allowed. When I run the following code it runs perfectly without any error. I am not sure
public class TestAnimal {
     public static void main(String[] args){
     Animal A = new Dog();
     A.bark();
class Animal{
     public static void bark(){System.out.println("I don't know how to bark");}
class Dog extends Animal{
     public static void bark(){System.out.println("barking");}
I am not sure if bark() function is not overridden.
Any thoughts?

No java support

I am never able to load java applets in Mac OS X Tiger? Can anyone help me out? I am writing some Java Applet and am unable to test it on my apple laptop at home, as opposed to my linux box which is not at my disposal currently.

Hi everybody ,
For guy supporting Java ,please reply can i am going to choose Java or Microsoft.
I developing some Nokia wireless programming using VB and C++ and found very easy to use but in term of stability Microsoft is still not the best .
Can any one can recomment what platform should i use for building up a wireless transaction .Please give some idea on performance wise ,stability ,scalability and ease of use so on.Currently i am using a Nokia phone connect to a PC but the transaction for these project is high(200 per day) ,so please give recommentation ,say how to do it with a SMS gateway.
It goes like this .
First program
1.Received incoming call and capture the incoming call number using NOKIA phone or better recommentation
2.Reply an SMS message to the caller
Second program
1.Read incoming SMS message ,probably need a listening event on Nokia Phone or better recommentation
2.Read SMS and reply SMS
Please reply for all Java supporter ...Please recomment the best plat for should i use and what gateway or phone should i choose.
TQ,
Wikey
SCJP .

N900 - Java support?

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