Great pointers above! But say you’re not even sure Java is properly installed—this is where package management comes in. It’s a reliable way to check java version linux, especially when things seem broken.
Try:
rpm -qa | grep -i java
or
yum list installed | grep java
Why it matters?
- Confirms if Java is installed via RPM.
- Lets you see the exact version/package details.
Missing Java? No worries:
sudo yum install java-1.8.0-openjdk