[oracle@fedora28 database]$ ./runInstaller
Starting Oracle Universal Installer...

Checking Temp space: must be greater than 120 MB.   Actual 984 MB    Passed
Checking swap space: must be greater than 150 MB.   Actual 1523 MB    Passed
Checking monitor: must be configured to display at least 256 colors.    Actual 16777216    Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2018-09-23_12-30-57AM. Please wait ...[oracle@fedora28 database]$ There was an error trying to initialize the HPI library.
Please check your installation, HotSpot does not work correctly
when installed in the JDK 1.2 Linux Production Release, or
with any JDK 1.1.x release.
Could not create the Java virtual machine.

oracle@fedora28 database]$ java --version
java 10.0.2 2018-07-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.2+13)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)
[oracle@fedora28 database]$ whereis java
java: /usr/bin/java /usr/lib/java /etc/java /usr/share/java