Re: Why CLASSPATH behave so strange?

'.' is not the default.  The default is an empty class path, aside from
the system classes.

There is no need to delete the CLASSPATH environment variable.  Just
change it when you want to have a different version.

Again, '.' IS NOT the default.  You MUST specify a CLASSPATH in order to
run anything.

Ioachim@aol.com wrote:
> 
> Still,
> 
> Still, I have problems with understanding this CLASSPATH. You said '.' is a
> default for CLASSPATH. But it says "UNABLE TO FIND CLASS Hello", if I do not
> create CLASSPATH with the value '.'
> 
> Furthermore, if this CLASSPATH is not created, then no matter what I do, I get
> "UNABLE TO FIND CLASS Hello". And here are my experiments:
> 
> I close the session and logon again, because I cannot otherwise delete this
> CLASSPATH var - the WRKENVVAR offers you the capabilities only to create or
> change, NOT TO DELETE, an environmental variable. (Why???)
> OK, I logon and, when I do WRKENVVAR, I do not find this CLASSPATH. Then I do
> one of
> 1. CD '/TEMP' (It is in /temp that I have the Hello.class), qsh cmd('java
> Hello')
> 2. STRQSH session, do CD '/TEMP', then java Hello
> 3. STRQSH, do /TEMP/Hello
> All of these bring to the same  "UNABLE TO FIND CLASS..."  Especially strange
> is the case 3. Why it does not find, even when you indicate the full path!?
> 
> There was an answer  to my message from somebody else from IBM, but I only
> opened the message, it was marked as read by my AOL and was not downloaded - I
> did not manage to read it. Could you please forward that message too, if you
> happen to answer this message. Thank you very much!
> 
> << This is because STRQSH starts its own job and does not inherit current
>  directory setting from your original job. You may prove it by issuing pwd
>  command from a prompt after STRQSH.
>  You may run Java program by calling STRQSH CMD('java Hello'). In this case
>  current directory WILL be inherited.
> 
>  BTW, you do not need to bother adding '.' to CLASSPATH. It's there by
>  default.
> 
>  Environment variables are job attributes and are lost, when job ends.
> 
>  Best regards
>      Alexey Pytel"
>   >>
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