[2529] in java-interest
Re: Urgent: Misc Questions
daemon@ATHENA.MIT.EDU (Arthur van Hoff)
Wed Oct 4 02:12:15 1995
Date: Tue, 3 Oct 1995 21:13:12 -0700
From: Arthur.Vanhoff@Eng.Sun.COM (Arthur van Hoff)
To: yprj2166@cs.cuhk.hk
Cc: java-interest@java.Eng.Sun.COM
Hi Winnie,
> I have the following whole list of questions about Java. Thanks a lot
> for anyone who can give me an answer:
>
> 1. How does Java interpreter schedule Java threads?
That depends on the platform. It is usually pre-emptive, but not
always time-sliced. Priorities are not always observed, depending
on the underlying implementation.
> 2. Can anyone describe the binding mechanisms of Java objects and
> C-bindings?
There is documentation on http://www.javasoft.com/
> 3. Is there any control by the Java applet to load/unload applets/objects?
Not really.
> 4. What display primitives exist for Java objects?
UI components, graphics, images, etc.
> 5. Are there manager/layout widgets that are supplied with the base
> product?
Yes. It is called the AWT (abstract window toolkit).
> 6. Is there a window manager that controls applet real-estate and
> window management?
We only control the real-estate of applets within a document.
> 7. How does the host system inform an applet that it is running out of
> memory?
All applets, and the browser share the same heap. If you run out you
get an exception.
> 8. Is there a concept of applets "spawning other applets"? How about
> fork?
Applets can fork threads, but not processes.
> 9. How do applets control spawned applets?
I'm not sure what that means.
> 10. Is there authentication/encryption support within Java for application developers?
Not really. The export restrictions stop us from releasing this to the net.
Have fun,
Arthur van Hoff
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