Gain insights into Java 17, cloud and microservices, reactive programming, and top JVM languages. Explore hands-on projects using Scala, Groovy, and Gradle to boost your software development career.

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Groovy

Scala

Java 12

Java 14

Java 16

Java 17

Java 16-copy

Play

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SPA-play

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This course is meant for Java programmers or aspiring programmers who want to know about the latest Java and JVM technology. Throughout this course, you will get several opportunities to get hands-on experience with various Java concepts. 

This course will help you understand the latest in Java up to version 17; cloud and microservices; build, testing, and web frameworks; reactive programming in Java; and the best JVM languages so you can advance your career in software development. 

Moreover, you will also get to work with Scala, Groovy, and Gradle. The course explains Java concepts in detail and also draws comparisons with its older versions, as well as JVM languages.

The All-in-One Guide to Java Programming

**Nashorn** replaces Rhino as the default JavaScript engine for the Oracle JVM. Nashorn is much faster
since it uses the `invokedynamic` feature of the JVM. It also includes a command line tool (`jjs`).

## **jjs**
JDK 8 includes the command line tool **jjs** for running JavaScript.

We can run JavaScript files from the command line (assuming we have Java 8’s bin in our `PATH`) in the following manner:

``` Java
$ jjs script.js
```
Try running `jjs` in the terminal below:


**Nashorn** replaces Rhino as the default JavaScript engine for the Oracle JVM. Nashorn is much faster
since it uses the `invokedynamic` feature of the JVM. It also includes a command line tool (`jjs`).

# **jjs**
JDK 8 includes the command line tool **jjs** for running JavaScript.

We can run JavaScript files from the command line (assuming we have Java 8’s bin in our `PATH`) in the following manner:

``` Java
$ jjs script.js
```
Try running `jjs` in the terminal below:


Learn about the Nashorn JavaScript engine.

Nashorn

Introduction

Java Syntax and Conventions

Java 7

Idiomatic Java 8: Lambdas, Streams, and Dates

New Date and Time API

Java 8 Miscellaneous

Advantages of Java 9

Java 10 - 17

Java Ecosystem

Maven and JUnit

Utilizing Essential Libraries

Modern Java Concurrency

RxJava

Other JVM Languages

Groovy

Gradle

Spock

Scala

RESTful

Microservices and Clouds

Grails

Spark

Spring Boot

Play Framework

Ratpack

Final Thoughts

Appendix

Nashorn

jjs