[Swordmaker]

Just checked my G5 and got the following:

java version "1.4.2_05"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_05-141.4)
Java HotSpot(TM) Client VM (build 1.4.2-38, mixed mode)

Note, Terminal is found in Applications/Utilities/

[glorgau]

see Java and Safari issues after updating to Mac OS X v10.3.9 at Apple.