Java 9

1. REPL Jshell

2.    Collection Factory Method

3. HTTP/2 Client

4. Jigsaw Project /Modularity

5. Other features

https://www.youtube.com/watch?v=NJY-D9JLLdQ

1. Test Jshell

Take a command prompt wind + R -> type "cmd"

2. Check java version, must be above 9

java -version 

3. type "jshell" in command prompt

4. This will help you to test simple syntax

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C:\Users\USR>java -version

openjdk version "21" 2023-09-19

OpenJDK Runtime Environment Zulu21.28+85-CA (build 21+35)

OpenJDK 64-Bit Server VM Zulu21.28+85-CA (build 21+35, mixed mode, sharing)

C:\Users\USR>jshell

|  Welcome to JShell -- Version 21

|  For an introduction type: /help intro

jshell> System.out.println("Hello");

Hello

jshell>