Download jdk 11+28 rpm package from
https://java.se.oracle.com/artifactory/re-release-local/jdk/11/28/bundles/linux-x64/jdk-11_linux-x64_bin.rpm
 
[testuser@emb-jh-01 staged]$ ls
jdk-11_linux-x64_bin.rpm
[testuser@emb-jh-01 staged]$ sudo rpm -ivh jdk-11_linux-x64_bin.rpm
[sudo] password for testuser:
Preparing... ################################# [100%]
Updating / installing...
   1:jdk-11-2000:11-ga ################################# [100%]
[testuser@emb-jh-01 staged]$ cd /usr/java
[testuser@emb-jh-01 java]$ ls
default jdk-11 latest
[testuser@emb-jh-01 java]$ sudo rpm -e jdk-11
failed to read link /usr/bin/javac: No such file or directory
warning: %postun(jdk-11-2000:11-ga.x86_64) scriptlet failed, exit status 2
[testuser@emb-jh-01 java]$