A DESCRIPTION OF THE PROBLEM :
After installing OpenJDK and Oracle JDK, the javac command cannot be executed.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
# java -version
openjdk version "1.8.0_282"
OpenJDK Runtime Environment (build 1.8.0_282-b08)
OpenJDK 64-Bit Server VM (build 25.282-b08, mixed mode)
# javac -version
javac 1.8.0_282
# rpm -ivh jdk-8u281-linux-x64.rpm
warning: jdk-8u281-linux-x64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
Preparing... ################################# [100%]
Updating / installing...
   1:jdk1.8-2000:1.8.0_281-fcs ################################# [100%]
Unpacking JAR files...
        tools.jar...
        plugin.jar...
        javaws.jar...
        deploy.jar...
        rt.jar...
        jsse.jar...
        charsets.jar...
        localedata.jar...


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
# javac -version
javac 1.8.0_282

ACTUAL -
# javac -version
-bash: /usr/bin/javac: No such file or directory



FREQUENCY : always