If you want to run Java programs, then you should install JRE
If you want to develop Java programs, then you should install Java SDK (previously called as JDK). SDK also contains JRE
So, if someone ask you to install Java then install Java SDK
How to install Java 7 on AIX 7?
1st check what version of Java is compatible with AIX OS version
Refer : http://www.ibm.com/developerworks/java/jdk/aix/service.html
oslevel ### check AIX OS version
bootinfo -K ### AIX OS architecture 32bit or 64bit
Lets say it's 64bit, so we want to install 64bit java version
We must be registered with IBM with some login name and password to download Java SDK software
Once downloaded perform following steps to install:
Download Java and save in /tmp/ directory
mkdir /tmp/java7_64
cp /tmp/Java7r1_64.sdk.tar.gz /tmp/java7_64
cd /tmp/java7_64
gunzip -d Java7r1_64.sdk.tar.gz
tar xvf Java7r1_64.sdk.tar
inutoc .
smitty installp
Select "
Install Software"
INPUT device / directory for software
[./] ### Directory where java installer available
SOFTWARE to install
[_all_latest]
PREVIEW only? (install operation will NOT occur)
no
COMMIT software updates?
yes
SAVE replaced files?
no
AUTOMATICALLY install requisite software?
yes
EXTEND file systems if space needed?
yes
OVERWRITE same or newer versions?
no
VERIFY install and check file sizes?
no
Include corresponding LANGUAGE filesets?
yes
DETAILED output?
no
Process multiple volumes?
yes
ACCEPT new license agreements?
yes ### Use Tab to change No to Yes
Press enter to install
That's it!!