how can i access javac and jav from comand line on linux

pls help me
[25 byte] By [bhaskarunix] at [2007-9-30 5:02:03]
# 1
$ PATH=/usr/lib/jdk1.2.2/bin:$PATH$ java -versionjava version "1.2.2"Classic VM (build JDK-1.2.2_014, green threads, nojit)
BIJ001 at 2007-7-1 15:46:42 > top of Java-index,Administration Tools,Sun Connection...
# 2
This command will find the files called "java": find / -name java -ls
BIJ001 at 2007-7-1 15:46:42 > top of Java-index,Administration Tools,Sun Connection...