what is Jshell in Java9

To learn Java in fun way JShell concept are introduce in Java 9

e.g.

First start jshell by just type command jshell PRINTING from  dir.

Java 9 Features

Release September  21, 2017

1-Jshell
2-JPMS(Java Platform module system)
3-JLink(Java Linker)
4-Process API updates
5-private methods inside interface

6-Try With Resource enhancement
7-Factory Methods to create unmodifiable Collection
8-Stream API Enhancement
9-Diamond (< >) Operator Enhancement
10-Http2 Client .
11-Safe Varargs Annotation
12-G1 Garbage Collector being default Garbage Collection.