Install specific JRE on Ubuntu using apt

Installing Java JRE (Runtime Environment) is very simple using apt package manager, but what if you want to install a specific version of JRE say Java 8?

To install a specific version of JRE you should first make sure to update the apt package manage by running command - apt update, once you do that you can search for JRE to know all versions available using apt-cache search jre

# apt-cache search jre

default-jre - Standard Java or Java compatible Runtime
default-jre-headless - Standard Java or Java compatible Runtime (headless)
openjdk-11-jre - OpenJDK Java runtime, using Hotspot JIT
openjdk-11-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)

libjreen-qt5-1 - powerful Jabber/XMPP library implemented in Qt5/C++
libjreen-qt5-dbg - powerful Jabber/XMPP library (Qt5 build) - debugging symbols
libjreen-qt5-dev - powerful Jabber/XMPP library (Qt5 build) - development files

openjdk-11-jre-zero - Alternative JVM for OpenJDK, using Zero
openjdk-8-jre - OpenJDK Java runtime, using Hotspot JIT
openjdk-8-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)
openjdk-8-jre-zero - Alternative JVM for OpenJDK, using Zero/Shark
openjdk-13-jre - OpenJDK Java runtime, using Hotspot JIT
openjdk-13-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)
openjdk-13-jre-zero - Alternative JVM for OpenJDK, using Zero
openjdk-16-jre - OpenJDK Java runtime, using Hotspot JIT
openjdk-16-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)
openjdk-16-jre-zero - Alternative JVM for OpenJDK, using Zero
openjdk-17-jre - OpenJDK Java runtime, using Hotspot JIT
openjdk-17-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless)
openjdk-17-jre-zero - Alternative JVM for OpenJDK, using Zero

Now to install openjdk-8-jre simple use the command apt install openjdk-8-jre