Java on RH enterprise 4

[Geofrey Rainey]

If you want to know what version of java you have, type:

$JAVA_HOME/bin/java -version

(this may or may not be linked to /usr/bin/java)

Cheers.

-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Mr. Paul M. Whitney
Sent: Wednesday, 1 June 2011 12:19 p.m.
To: General Red Hat Linux discussion list
Subject: Re: Java on RH enterprise 4

What Michael said. Thank you for amplifying. IPhones suck with
responding to these. 

Paul M. Whitney
RHCSA, VCP
Sr. Systems Engineer
Worldwide Information Network Systems
email: whitneyp at winsnetworks.com
cell: 410.493.9448 

On May 31, 2011, at 20:06, Michael Scully
<agentscully at flexiblestrategies.com> wrote:

> John:
> 
>    If the application can be pegged to a particular version, you can
install as many different revisions of Java as you like.  You can
download all of the archived versions from Oracle if you create a
developer account.
> 
>    Java will install to /usr/java, with each version in its own
directory.  Look in there to see what version(s) you have.  But if you
need the /usr/bin/java to point to a particular one, change the symbolic
link of any of the java command links there (java, javaws, javac,
javadoc).
> 
> MS
> 
> On May 31, 2011, at 4:48 PM, Yard, John wrote:
> 
>> I have an application to be downloaded to my RH Enterprise 4 System 
>> that requires Java jre or jdk version 1.5 .
>> If I do an rpm -qa I get :
>> 
>> # rpm -qa | grep java
>> java-1.4.2-gcj-compat-1.4.2.0-27jpp
>> gcc-java-3.4.6-11.el4_8.1
>> 
>> I don't think this is telling me what I want to knoq.
>> 
>> How do I determin what level jre / jdk I have on this system ?
>> 
>> JYard
>> UCLA
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