I had a number of people each take a different view when it comes to
learning Java 3D, some say I should some say I should avoid it.
I am wondering if it is worth my time and effort to learn it? Or
should I avoid it and learn C/C++ graphics instead?

I learned Java about 8 years ago, and actually became certified in it.  But
my circumstnaces changed and I never had a chance to use it.
Now my circumstances are changing again back to Java, and I am wondering how
much, in the interim, has Java changed?

My problem is that it wont display the given image, can anyone tell me
what thing ive done wrong or missed. I changed something and I cant
remember what..... its going to be one thing that needs to be changed
back :S

HI I'M TRYING TO COMPILE AN XSL WITH XALAN BUT I HAVE THIS TROUBLE :
Location of error unknown)XSLT Error (java.lang.IllegalAccessError):
class org.apache.xml.dtm.ref.sax2dtm.SAX2DTM2.AncestorIterator cannot
access its superclas

Hi in the past i was using the followng code below to check if a
server was up and if it was to call a jsp...
However the jsp now resides to my server so there is no point really
of chekcing if it is up to call it ..

Hi. i'm running under solaris 10 ... and i have this problem:
running an external aplication from command line in s.o works fine and
no cpu consume.
running from java with runtime.exec the same sh it eats my 85% of cpu

Singleton is one of the frequently used and easily understandable
design pattern. Most of the tutorials and books give example of making
the constructor as private and exposing a static method which will
provide single instance. The common example they use is Runtime class

I am writing a program that transfers files over a socket, the only
problem is that when the receiving side calls the read method it
always returns -1.
//SENDING END

I need to get the current time + 15 minutes for a given time zone.
Question: the c.get(...) show warnings such as
"The static field Calendar.HOUR_OF_DAY should be accessed in a static
way"

In the code http://pastebin.com/f53a559c8, I am unable to understand
the use of the statement
    (byte)( Math.sin( RAD * frequency / sampleRate * i ) * 127.0 );
at line 35.

I have already implemented a java program with all traversals method
but I now slightly want to implement functions remove and add node in
it.Can anyone please provide me the least help?My Program is as
follows:-

I want to pass in "name" in the Student class constructor, but cannot
because "name" is a private field in the Person class which Student
extends; Person and Student are in the same package.
Additional fields are declared in Student which aren't in the Person

What would some possible causes be for when I write data to a Socket
on one end, and then when I read it on the other the read method
return -1 even though I am connected?

Hey all,
My roomate is absurdly stubborn and refuses, on 'principle,'  to ever
use a While Loop for basic Computer Science programs. Instead he opts
for a For Loop.

Good morning,
I need to start a unix script from a java program, for this I used
these instructions :
        Runtime rt=Runtime.getRuntime();