Konsole Kuestions

[Loy Glenn]

"File layout

Following JPackage standards, any JPackage compatible Java environment is installed under /usr/lib/jvm. For example, gcj is under =/usr/lib/jvm/java-gcj=. Jars are located under =/usr/share/java=. JVM extensions (such as bouncycastle) are located under =/usr/share/java-ext=."

If you still have trouble post it and i will get it working on my Mandriva 08.1 machine and post for you... -Loy

[Max2009]

Yes, I sw that on the Wiki, it wasn't too helpfull.
I am trying to compile a Java app, in which I need to import class files from a jar that I downloaded from the Internet. When I run javac it tells me that that package does not exist.
I found somewhere else on the web saying that I need to put the jar in the java-ext folder. I did, and it didn't help.
I have 2 java-ext foldrs:
usr/share/java-ext
usr/lib/java-ext
I put the jar in both of them, and it didn't work.

[Loy Glenn]

Can you post the command you are issuing and it's output?

[Max2009]

I am a university student, studying computer engineering. As part of the course we are to write a program that will give directions to a little pink arrow (called Karel) to wander around a java world and collect little green things.
The program I wrote works. It worked on the university computers, and I already submitted it.
When I try to compile it at home I get:

javac WalkTrail.java                   
WalkTrail.java:1: package intro.csp.ex1 does not exist            
import intro.csp.ex1.*;                                           
^                                                                 
WalkTrail.java:2: package intro.proceduralKarel does not exist    
import intro.proceduralKarel.ProceduralKarel;                     
                            ^                                     
WalkTrail.java:12: cannot find symbol                                           
symbol  : variable TrailWorld                                                   
location: class WalkTrail                                                       
        ProceduralKarel.chooseWorld (TrailWorld.ID,-1);

And then it goes on to tell me that each time I invoked a ProceduralKarel command it doesn't exist.
Inside the aforementioned jar file are all the relevant class files. I have seen them.
In fact, when I unpacked it into the same file that houses the java program, it compiled and ran perfectly. But that is only a temporary fix.
I am looking for a slightly more elegant and permanent solution.

[Loy Glenn]

Looks like you may need to specify "-classpath" or "-sourcepath"

See here .... javac - Java programming language compiler


Although that is for Windoze I think the syntax is pretty much the same .... http://java.sun.com/javase/6/docs/te...ngclasses.html

[Loy Glenn]

Try this article....
The K-Zone: Mastering the Java CLASSPATH


Also have you tried specifying the sourcepath as well?

Here is another ref...

http://forums.sun.com/thread.jspa?threadID=646818

[Max2009]

Problem solved!
I started using Eclipse, and there it is dead simple to import jar files.