Looking to learn all new things about Java 9? Wondering how to build Java FX, Springboot, and Vaadin Java applications? Seeking a tutorial to become a well-rounded Java programmer? The Java Masterclass – Beginner to Expert Guide course always here awaits you. In this course, you’ll learn Java from the complete beginner to a paid Java developer.
- Course name: Java Masterclass – Beginner to Expert Guide
- Mentor: Paulo Dichone
- Platform: Udemy
- Rating: 4.5 (572 ratings)
- Popularity: 9,032 students enrolled
- Language: English and closed English captions
- Update date: Last updated 5/2019
- Video: 30.5 hours of on-demand video
- Resources: 22 articles and 1 downloadable resource
- Lectures: 200 lectures
- Requirement: Computer to learn the course
- Target: Anyone who want to learn about the new features of Java 9
What you’ll gain from the Java course:
- 3 lectures on how to get the most out of the course
- 6 lectures on the introduction to Java development environment setup
- 4 lectures on how to install and setup Java development environment on Mac
- 13 lectures on the introduction to the new in Java 9
- 2 lectures on how to explore IntelliJ and eclipse IDE
- 8 lectures will teach you how to master Java programming language from Scratch
- 6 lectures on the introduction to the methods and operations in Java
- 17 lectures on the Java advanced concepts
- 9 lectures introduce Java data structures and collections
- 7 lectures on how to create your first generic class
- 5 lectures give you a comprehensive introduction to Java I/O
- 4 lectures regarding the knowledge you need to know about the advanced collections
- 15 lectures focus on the introduction to Swing
- 22 lectures give you a depth learning of Java FX
- 8 lectures tell you more about Lambda expressions
- 9 lectures on the knowledge of database in Java
- 7 lectures on the introduction to multithread programming in Java
- 26 lectures help you build a Todo app
- 27 lectures on how to build web applications using Java frameworks
- … much more
What’s New in Java 9?
After three years of the release of the Java 8, the other version has come into around. You might have heard about the module system of the Java 9. However, there is more than this in this new version of java. In this article, we are going to see the different features of Java 9 and will discover what’s new in this version.
The java module system-
This is the defining feature of Java 9 and it is a new module system. When codebases become larger the odds of creation gets complicated and this increases the spaghetti code exponentially. There are 2 fundamental issues: it is difficult to truly encapsulate code as well as there is not any notion of explicit dependency among the different parts of the system. And all public class can be entered by the other public classes which are on classpath thus resulting in the inadvertent use of the classes that must not be public API.
The module system addresses these issues. Modular JAR files have an extra module descriptor. This module descriptor depends on other modules and is expressed via ‘require’ statements. In addition to this ‘export’ statement controls packages which are accessible to the other module. All the non exported packages get encapsulated in the module as a default.
There arise the new possibilities when the module is present with explicit dependency as well as modularized JDK. User’s app module states their dependency on other app modules as well as on the module it utilizes from JDK. Why don’t you utilize that info to make a minimal runtime environment having just those modules which are necessary to run your app?
Java 9 has a jlink tool which had made this possible. So, in place of shipping the app with loaded JDP installation, user can make a minimal runtime image which is optimized for your app.
So, these are some of the new features in Java 9.
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