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[ The Java FAQ Daily Tips, weekly publication ]
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| Issue
No: 176
24 July 2003 |
| 13770 subscribers
|
Foreword: Excuse me for
possible mistakes. English is not native language for me.
In this issue:
Hello dear friends!
Question: I was testing the new J2RE 1.4.2 for
compatibility with our programs (written on Java 1.2.2 version) and found that
the Installation of the J2RE on Windows has changed, with impact on the
supported locales...
Answer: Yes, you are right. this is written in
release notes for J2RE 1.4.2:
There now is a single installer, which by
default installs a runtime with support for European languages if the Windows
host system only supports such languages, or a runtime with support for all
languages if the Windows host system supports at least one non-European
language. Users can request installation of additional languages in a custom
setup. For complete information on which locales and encodings are supported
with which installation, see:
the Supported
Locales
http://java.sun.com/j2se/1.4.2/docs/guide/intl/locale.doc.html
and Supported
Encodings documents
http://java.sun.com/j2se/1.4.2/docs/guide/intl/encoding.doc.html
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Question: Can I use system provided random numbers
generators when I run my Java program on Windows? Not that that provided by
SUN?
Answer: The Sun SecureRandom implementation now also
makes use of an operating system-provided entropy source on Windows platforms,
which can improve the startup time of cryptographic applications considerably.
Edit the <java.home>/lib/security/java.security to control this
feature.
Latest posts on our
message board |
| Getting Java to work in OS 9 - is this
possible?
My site is not up yet but there
is another that uses a similar code:
www.angelofjoy.com if you
want to view it.
I know that OS X is fully Java compatible, and that if
it is not there are downloads available, but is this the case for OS 9?
Please help me as I really want to be able to use Java and Javascript on
my site!
please help
here... | | |
| Frame speed
I'm making a 2d game with
Java2D. But i'm only getting 14 frames per second, how can I speed up
image-drawing performance?
please help
here... | | |
| Policy File Troubles
I have an unsigned Applet which
I need to grant permissions to in the policy file. The permissions I grant work
fine, until I change the codebase. If i have it set to <all> then the
applet runs perfectly, If I have it set to "file:/C:/ILO/*" Then it errors with
a access denied (java.net.SocketPermission.... Error.
all of the .class
files are located in the C:ILO folder, any ideas on why the codebase path
wouldn't work. I really dont want to give all applets the same permissions as
this one, as it also reads and writes files.
any ideas would be
appreciated
-tblank
please help
here | | |
| FileSystemView
Hi,
I' ve noticed that when
i search for a file in JFileChooser i can see views like My Computer, My Network
Places etc and select them.
I have my own file browser, but i can't take
these views. I know that the problem is FileSystemView or WindowsFileSystemView
but -till now- i didn't find any way to use these classes.
Does anybody has
any idea?
Thanks.
please help
here | | |
| Java noob question
I have an html page....that is
used only to launch the following javascript (which spawns another html page -
brochure.html).
heres the HTML:
continues
here... | | |
| help with JPanels
i have a JPanel with a picture
in the middle and two JButtons at the bottom. One JButton changes the background
color and the other one draws a circle around it. I have made two classes
extending JPanel, one adds an image and listens for color change button. the
other class draws the shape but the problem is that both the image and the shape
have to be in the center of the frame. When i try to add shape panel to frame it
overwrites the image panel. how can i show the image panel and shape panel at
the same time and in the middle.
many thanks!
please help
here... | | |
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