Why is java blocked

Is java blocked by OS on iphone 5?

No iPhone has ever supported Java. Search the app store for an app that will permit you to view sites that use java applications.

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Why try-finally block?

Why does java allow try with out catch? I can understand that try-finally can be used having the contained method to call throws {exception}. But why is a Try-finally clause allowed when contained method doesnt declare throws exception?

GermanShepherd wrote:
BalusC wrote:
What would be the benefit of that? If there is no try block, then there is nothing to catch and so there is also nothing to be done in the finally block.I understand that finally block in bytecodes is handled as a JSR call. Then why do we need try block at all. To put a boundary on which code is eligible for finally cleanup
a(); // if this throws exception, we'll leave the method immediately, no finally. Don't want to go to finally, since s doesn't exist yet
s = somethingThatNeedsCleanup();
try {
// do stuff with s
finally {
// clean up s
}

Why does Java Application not working with Macromedia Flash 5 or MX?

Why does Java Application not working with Macromedia Flash 5 or MX?

Who says they don't?
Although I don't know much about those I'd think they should be able to talk to Java Aps using Sockets or request Servlets ...
Spieler

Why is Java update asking me to install openoffice?

I have installed Java jdk 1.6.
Now the update notification is asking me if I want to install openoffice.
I am not interested in that kind of notifications. (By the way I already have installed open office)
There needs to be a differentiation between java updates and other updates (3th party tools). Then I can switch off that kind of notifications.
I am only interested in Java updates.
Why is Java update asking me to install openoffice?
Thanks and regards,
Cees

It's probably asking you to update to iOS 8.2, which includes support for the upcoming Apple Watch.

Unicode String in JFrame's Title Bar / why is java a non-Unicode pgm in XP?

My big question:
Why is Java detected as a non-Unicode program by Windows XP?
I need to do the following before I can write Japanese characters on the JFrame's title bar on Window XP:
From the Control Panel -> Regional Settings and Languages -> Set the Language for non-Unicode Program to Japanese
Thanks in advance,
Noel

Hi Noel,
I'm only guessing here, but I suspect this is still the case...
Under JDK1.3, the title bar produced by a JFrame is provided by the Windows OS, rather than Java itself. You'll find that trying to display foreign characters in a JFrame's title bar on an English Windows system nigh on impossible (you're left with everyone's favourite little rectangles instead). AFAIK, Sun were looking to change this in the future, but I've no idea if they've got there yet.
Windows XP likely refers to Java as a non-Unicode program because it's looking at the main frame. Because the frame is produced by Windows itself (which last I checked was about as Unicode-compliant as my car is), it holds a different encoding to anything else within Java.
At least that's my stab in the dark. ;-)
Ta,
Martin Hughes

Why are Java files listed as needing repair in Disk Utility?

Why are Java files always listed as needing repair in Disk Utility?

FrenchToast wrote:
Baltwo, bull's eye, as always!
X423424X's question is pertinent too: you usually need to repair permissions after some major upgrade or update, not on a regular basis. Is there a particular reason why you'd often try to repair permissions? Here's more on the subject.
Repairing permissions after an update or upgrade is harmless, but I would question the need to do it even there. The Apple update itself should set the correct Permissions. I still do this, really as a hangover from Tiger days -- not certain it was really ever needed there either -- and because it's a habit that's hard to kick, but it's never found anything to repair...but for one buggy exception, which was the 10.5.8 Combo update. Running it once and then repairing Permissions created a real error. It was discovered the Combo needed to be run twice back to back and then Permissions repair. In fact, one would have been better off not running Permissions for that update to begin with. There it wasn't harnless.
https://discussions.apple.com/message/9968141#9968141
BTW, even Flash updates, which always used to set incorrect Permissions, are coming in clean these days.
Exercises in Futility: Permissions Repair

Why is apple blocking downgrade for iphone 4 and why apple is selling defective apps??????

First thing i cant downgrade from ios4.3.4 to 4.3.3 why? secondly, why do there are defective apps in itunes store? and will my money will be refunded or not? why cant we try products for some hours to make a buying decision? there are thousands of questions unanswered, i just have device with me and apple is remotely controlling it, why are u blocking users freedom?????

First thing i cant downgrade from ios4.3.4 to 4.3.3 why?
Because doing so is not supported - primariy since the iPhone's baseband is often updated or changed with a firmware update. Since 4.3.4 addressed a potential security issue involving the download of a PDF document from a nefarious website, what is the reason for wanting to downgrade to 4.3.3?
secondly, why do there are defective apps in itunes store?
Because Apple doesn't do extensive testing with every single app. Apple primarily checks apps not accessing any private iPhone API's for security reasons, apps do not violate Apple's terms of use for the app store, and the app does what is says it does - based on the detailed description provided by the developer for the app. Just as Microsoft has never thoroughly tested or done any testing at all for every single 3rd party Windows app, Apple doesn't do any thorough app testing - that is the app developer's responsbility - no different for 3rd party apps on your computer.
and will my money will be refunded or not?
That is up to the app developer.
why cant we try products for some hours to make a buying decision?
With many apps, there is a free version and a paid version. You can try the free version first if available before purchasing the paid version.
i just have device with me and apple is remotely controlling it, why are u blocking users freedom?????
This is a user to user help forum only. You are not addressing Apple here.
If this is how you feel, exercise your freedom to sell your iPhone. Use the proceeds to purchase a device you believe you'll have complete freedom with.

Why use finally block

why use finnaly block when we can close the resources after the try cath method has executed

The real reason is that you don't usually catch all exceptions (and you shouldn't). The code shown doesn't catch Errors for example, yet you would always want the resources allocated in the method to be released regardless of any exceptions that are thrown, not just the ones you catch yourself.

Why does Java have such a large footprint?

I've been curious about this topic for a while, but I haven't ever looked into this to any depth. I also posted this to stackoverflow but haven't gotten any solid responses so far:
http://stackoverflow.com/questions/1107991/why-does-java-have-such-a-large-footprint
Java - or at least Sun's Hotspot JVM - has long had a reputation for having a very large memory footprint. What exactly is it about the JVM that gives it this reputation? I'd be interested in a detailed breakdown: how much memory goes to the runtime? (The JIT? The GC/memory management? The classloader?) Anything related to "auxiliary" APIs like JNI/JVMTI? The standard libraries? (Which parts get how much?) Any other major components?
I realize that this may not be straightforward to answer without a concrete application plus VM configuration, so just to narrow things down at least somewhat: I'm primarily interested in default/typical VM configurations, and in a baseline console "Hello world" app as well as any real-world desktop or server app. (I'm suspecting that a substantial part of the JVM's footprint is largely independent of the app itself, and it is in this part that I'd like to zoom in, ideally.)
I have a couple of other closely related questions:
Other similar technology, such as .NET/mono, don't exhibit nearly the same footprint. Why is this the case?
I've read somewhere on the intarwebs that a large portion of the footprint is due simply to the size of the standard libraries. If this is the case, then why is so much of the standard libraries being loaded up front?
Are there any efforts (JSRs, whatever) to tame the memory footprint? The closest thing I've come across is a project to reduce the on-disk footprint of the JVM [1] and to modularize the standard library [2].
I'm sure that the footprint has varied over the past decade or so with every new version of Java. Are there any specific numbers/charts chronicling precisely how the JVM's footprint has changed?
[1] http://blogs.sun.com/jtc/entry/reduced_footprint_java_se_bringing
[2] http://blogs.sun.com/theplanetarium/entry/project_jigsaw_modularizing_jdk_7

yangzhang wrote:
I've been curious about this topic for a while, but I haven't ever looked into this to any depth. I also posted this to stackoverflow but haven't gotten any solid responses so far:
http://stackoverflow.com/questions/1107991/why-does-java-have-such-a-large-footprint
Java - or at least Sun's Hotspot JVM - has long had a reputation for having a very large memory footprint. What exactly is it about the JVM that gives it this reputation? I'd be interested in a detailed breakdown: how much memory goes to the runtime? (The JIT? The GC/memory management? The classloader?) Anything related to "auxiliary" APIs like JNI/JVMTI? The standard libraries? (Which parts get how much?) Any other major components?
Presumably versus some other VM. I would suppose the fact that much of the VM is written in java has something to do with it.
I realize that this may not be straightforward to answer without a concrete application plus VM configuration, so just to narrow things down at least somewhat: I'm primarily interested in default/typical VM configurations, and in a baseline console "Hello world" app as well as any real-world desktop or server app. (I'm suspecting that a substantial part of the JVM's footprint is largely independent of the app itself, and it is in this part that I'd like to zoom in, ideally.)
I have a couple of other closely related questions:
Other similar technology, such as .NET/mono, don't exhibit nearly the same footprint. Why is this the case?
Not sure I agree with that. What size do you see with a .Net app that uses 3.0/3.5?
I've read somewhere on the intarwebs that a large portion of the footprint is due simply to the size of the standard libraries. If this is the case, then why is so much of the standard libraries being loaded up front?
Good question. There is a feature that allows multiple VMs to use the same memory footprint version of the loaded libraries. That is a new feature and it isn't clear to me if it covers the entire API. I do not know if that is dynamically built.

Why does Firefox block certain pages?

On many occasions, I click on a website and get a grey bar with a red x across the top of a blank page that says "Firefox won't allow page," or "Firefox has redirected this page," but nothing happens.
Why is Firefox blocking these pages and what can I do short of going to IE to stop it?

See:
* [http://kb.mozillazine.org/Menu_differences Firefox (Tools) > Options] > Advanced > General : Accessibility : [ ] "Warn me when web sites try to redirect or reload the page"
* [[Options window - Advanced panel#General_tab]]
See also:
* http://kb.mozillazine.org/accessibility.blockautorefresh

Why learn Java now?

I'm new to Java programming and have developed some small demo classes.
I have exp with other Visual languages and I feel like I'm taking a step back in time writing code in Notepad and compiling and running from dos etc.
I have several classes and lots of code lines to do a simple thing in swing like create a frame and a simple menu panel.
I thought Java required less code but so far it requires 3 times an much as other languages!
What visual tools or IDE�s exist for Java development other than Sun ONE Studio?
Why learn java now? The number of jobs posted online seams to be higher for Java that any other language out there like vb.net, C++ etc.
Any Comments of the Future of Java Jobs?
Running Java:
My apps run slow on XP, 384M ram.
Do production Java applications suffer from slow execution of the JVM layer?

Java code is easier to understand and more stable than "faster" languages. There is more flexibility and extensibility than in other languages, and the error-processing system is quite advanced. There are also very powerful tools you can use out-of-the-box, like JOptionPane:
import javax.swing.*;
public class Foo
    public static void main(String[] args)
        String pass = JOptionPane.showInputDialog(null, "Please enter your password");
        System.out.println("Password="+pass);
Also see javax.swing.JColorChooser.
-Tim

Why queues get blocked in XI

I have observed thet queues in XI get blocked even though there is no error.
When I unlock it , Queues get cleared.
Please let me know why queues get blocked .
Thanks in Advance.

Hi,
Queues might get blocked to various reasons.
The reasons i can think of are:
1) Contention for resources : If there is a contention for resources like memory, the first message of the queue gets blocked, causing subsequent messages to be blocked as well.
2) Huge messages: HUge payloads choke the queues.
3) Receiving system processing the messages slower than the sending system.
Regards,
Ravi Kanth Talagana

Why is Adobe blocking my game downloads???????????

why is adobe blocking my game downloads?????????????????????????????????????????????????????????it is so annoying !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
this was made by Matthew Frize .........NOW

Flash Player Help | Installation problems | Mac OS
Flash Player Help | Installation problems | Windows
Mylenium

Why is the blocked plug in showing up as I am trying to view videos?

Why is the blocked plug in showing as I am trying to view videos?

Hello,
A new version of Flash Player (12.0.0.44) was released earlier this week and it appears Safari is now blocking older versions of the plugin. Please upgrade to the latest version. It is recommended to first uninstall Flash Player, and then install the latest version.
Instructions for Uninstalling Flash Player on Mac.
Download the full installer and proceed with installation.
Maria

Java blocks webos doctor

I have an HP touchpad wi-fi only. I was trying to install the webos doctor as my device has been increasingly cranky and not opening some referred websites and mime files. I got the doctor partly installed and Java blocked the completion saying the certificate was out of date. When I checked the box to take the risk, Java still blocked the installation saying it was dangerous to install the program.
How do I "refresh" my tablet? As I am sure you know, HP no longer supports the tablet :-( Many thanks.
This question was solved.
View Solution.

Hello, and Welcome to the HP Support Community!
Here's my standard "How to Doctor a TouchPad" reply. See if it helps at all.
How to Doctor an HP TouchPad (reflash the ROM)
On your Touchpad be sure to have:
USB cable. The battery is charged to at least 30%.
Computer:
Windows 7, Windows XP, Windows Vista Available USB port (not a hub or secondary port). Java 1.5 or later is installed. If you are not sure about what version of Java you have, or even if Java is installed, go to www.java.com and click the Do I have Java? link to install the latest version of Java. 210MB of storage space. Internet connection.
Miscellaneous Info:
The update process will take approximately 15 minutes. During this process, your device will not be available for use.
Downloading webOS Doctor
Download webOS Doctor on your desktop computer. If you have a webOS profile, get it from http://ws.hpwebos.com/webosdoctor/sorry.htm
If not, check the webOS Internals page: http://www.webos-internals.org/wiki/Webos_Doctor_Versions
Get your TouchPad ready to update
Hold the Power Button for several seconds until a menu appears. Tap Shut Down to completely power down your device.
Running webOS Doctor
Double-click the file that was downloaded to run webOS Doctor. Follow the on screen directions up until you are asked to connect your device. Select the language you selected on your device, and click Next. Confirm your language choice. Click Accept to accept the terms of use. Click Next. webOS Doctor checks your system. BE PATIENT! I've seen this part take a few minutes to complete. After webOS Doctor finishes checking your system, you will be asked to connect your device.
Connecting your device and finishing the webOS Doctor update
Connect your device to your computer using the USB cable. You must connect your device directly to your computer, not through a USB hub or other intermediate device. Now the tricky part. Hold the Volume Up button on the device and insert the USB cable. After the large USB symbol appears on screen, let go of the Volume Up button. If you see the HP logo instead of the large USB symbol, you may have let go of the Volume Up button prematurely. If this occurred , wait until your device boots up, shut down your device and then repeat step 2. Windows will find your device and may offer to install two different drivers. When asked to install drivers of OMAP, select No, not at this time. When asked to install drivers for Palm Novacom (bootie), select Yes and let the drivers install. This may take a while. Once the drivers have been installed, the Next button will become available in webOS Doctor. Click Next. Do not disconnect your device from the computer during the update process. When the Reset Complete screen appears, click Done. Wait a few minutes for your device to reset. You're done!
WyreNut
I am a Volunteer here, not employed by HP.
You too can become an HP Expert! Details HERE!
If my post has helped you, click the Kudos Thumbs up!
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Why is java blocked

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