Java 9 is here.
Add/update PPA to install Java 9
$ sudo add-apt-repository ppa:webupd8team/java$ sudo apt-get update
Installation steps :
1. Installation without any default setup recommendations$ sudo apt-get install --no-install-recommends oracle-java9-installer
2. Installation with default setup recommendations
$ sudo apt install oracle-java9-set-default
3. Check/change alternative installations
$ sudo update-alternatives --config java
Quick Overview :
1. Modular programming.2. REPL called jshell is here. No need to write a complete class with main method to run a simple code snippet.
3. Enhancements in stream api
4. Private methods with in the interface are supported.