If your system has multiple Java versions, then the command would list all Java versions like below. Use the alternatives command to set the default java version. Sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk1.8.*/bin/java 3 Sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk-11.*/bin/java 2 Sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk-16.*/bin/java 1 Run update-alternatives commands to install Java on your system. Sudo tar -zxvf jdk-8u301-linux-圆4.tar.gz -C /usr/lib/jvm/ Install Oracle Java JDK/JRE Install / Extract the downloaded Oracle Java package. Wget -no-check-certificate -no-cookies -header 'Cookie: oraclelicense=accept-securebackup-cookie' As a result, those packages have moved, and this will require changes to package imports.If you still want to use the command line, use the below command.

Oracle has chosen the Eclipse Foundation as the new home for the Java Platform Enterprise Edition.

Due to lack of browser support for Java plugins, the Applet API has been deprecated.

The “var” keyword only affects local variables, and the Type Inference keeps you repeating the same text over and over again

A developer-friendly keyword “var” was added to help to reduce boilerplate coding.

This is very interesting for serverless-compute and one-offs in Kubernetes

A REPL (read-eval-print-loop) tool, JShell, was added to support interactive programming, similar to what is available in Python.

Modularization also enables code to be refactored for easier maintenance, through a self-describing collection of code, data, and resources.

The introduction of modularity to better support scaling down to small computing devices.

However, the biggest differences between Java 8 and Java 11 are: There are always a lot of little things that go into a release of Java, or any product for that matter.

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