# Install Java (Open JDK | Oracle) on Rocky Linux

1. Install Open JDK using `yum`

`sudo yum install java-17-openjdk java-17-openjdk-devel`

2. Install Oracle JDK

- install wget | curl 
`sudo dnf -y install wget curl`
- get the RPM file from oracle 
`curl -O https://download.oracle.com/java/17/archive/jdk-17.0.3.1_linux-x64_bin.rpm`
- install the pacakge 
`sudo rpm -Uvh jdk-17.0.3.1_linux-x64_bin.rpm`

3. Set the default java version 

`sudo alternatives --config java`