Java Runtime Environment Linux __hot__ -

If you have multiple Java versions installed, you can set the default version using the update-alternatives command (on Ubuntu-based systems):

# Set JAVA_HOME and PATH environment variables export JAVA_HOME=/path/to/jre-1.8.0_291 export PATH=$JAVA_HOME/bin:$PATH java runtime environment linux

Use update-alternatives to switch between JREs: If you have multiple Java versions installed, you

$ java -version java version "1.8.0_291" Java(TM) SE Runtime Environment (build 1.8.0_291-b10) Java HotSpot(TM) 64-Bit Server VM (build 25.291-b10, mixed mode) While developers use the Java Development Kit (JDK)

For most users, the OpenJDK version provided in the official repositories is recommended.

sudo apt install openjdk-17-jre . 2. Fedora/CentOS/RHEL (RPM-based) Red Hat-based systems use the dnf or yum manager. Installation: sudo dnf install java-latest-openjdk .

The on Linux is the software layer that allows your system to execute Java applications. While developers use the Java Development Kit (JDK) to write code, everyday users and servers only need the JRE to run compiled .jar or .class files. Core Components of JRE