sudo yum install java-17-openjdk-devel sudo pacman -S jdk17-openjdk openSUSE (zypper) sudo zypper install java-17-openjdk-devel 3. Method 2: Manual Installation from Official Source Useful when you need a specific build (e.g., Eclipse Adoptium, Oracle) or lack root access.
sudo update-alternatives --config java
sudo dnf install java-17-openjdk-devel
export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64 # Adjust path as needed Run these commands to confirm correct installation: install java 17 linux