The OpenJDK 11 is included in the Ubuntu 20.04 base repository. We are using Ubuntu 20.04 for installing the latest java versions. Try executing the script on the JRE and compiling it using the JDK. Write a short test script to validate the OpenJDK installation.

After downloading the program, it is necessary to set a few environment variables to ensure smooth operation. The JDK 12 has been superseded because it does not include the most up to date security vulnerability fixes and is no longer recommended for use in production.įor instance, if you are not sure which java package you should install, then it is suggestted to install JDK 11. OpenJDK for Ubuntu 22.04 can be installed using apt. At the time of preparing this post, JDK 11 is the latest long-term support (LTS) release, whereas 13, 14, and 15 are the feature releases of Java. The new versions of Java are released gradually. Download and install JDK if you are focused on creating Java applications. The easiest way to install Java is to use the version distributed with Ubuntu.

On the other hand, JDK contains JRE and other debugging and development tools. The JRE includes Java virtual machine (JVM), classes, and binary files that are necessary to run the Java program. To install it on the Ubuntu operating system, follow the following steps. The Java Runtime Environment (JRE) and Java Development Kit (JDK) are OpenJDK packages. It was created by Sun MicroSystem in 1990s.

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