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Java 9 – The Ninth Step for Java, Moving to a New Age Altogether

Java 9, known as the Java Platform Standard Edition version 9 earlier arrives and so does the Java Development Kit (JDK) for the developers to download, promising enough to inspire all to revamp the java application development services on offer.<br><br>Java 9 turned into a long-term project, beginning almost from the time Oracle first started mentoring this language soon after it took over the Sun Microsystems way back in early 2010. The very first task for Oracle, soon after the acquisition and the initial hiccups stabilized was to take stock of the situation within the code and that is when came the big decision to modularize the language.<br>

AnkitJKumar
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Java 9 – The Ninth Step for Java, Moving to a New Age Altogether

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  1. The Update • Java 9, known as the Java Platform Standard Edition version 9 earlier arrives! • The Java Development Kit (JDK) for the developers to download is available too!

  2. “This Christmas, a Toast for Java. Cheers to that!”

  3. How it Began • Java 9 turned into a long-term project, when Oracle first started mentoring this language taking over the Sun Microsystems way back in early 2010 • The very first task for Oracle, soon after the acquisition was to take stock of the situation within the code

  4. The Roadmap • The proposed roadmap leading to Java 9, shared way back has more or less been adhered to and here we are today with Java 9

  5. “Strong & Refreshing – Java the Cup of Good Taste!”

  6. The Top-Class Features with Java 9 for Custom Java Development • Java Standard Edition version 9 has been a major feature release for Java platform with various architectural and component level changes

  7. Modular Approached System (Jigsaw Project) • This latest version of Java comes with segmented modules like the JDK, JRE, JAR and more for the developers to implement in accordance to the demand of the application • Module system has the advantage of ease of testing, maintenance, etc. and restricts access to internal non-important API’s • The modularity approach of Java 9 has application packaging, which makes smaller parts of the JDK and reorganizes the source code into modules • JDK and JRE are enhanced to handle modules. Also the JavaFX UI and CSS API are a part of the module system approach

  8. Improvements in the Compiler for Java 9 code • The complier for Java 9 has several enhancements but important among them is the Ahead-of-Time (AOT) Compilation • It compiles the Java classes to native code before it is launched into the virtual machine • Just-in-time (JIT) compilation has performance related issues when it comes to large sized application, AOT helps to address these issues • Java-level JVM Compiler Interface (JVMCI) allows the compiler to be used as dynamic compiler by JVM • Complier written in Java become easy to maintain and improve for Java application development services

  9. REPL in Java 9 • The read-eval-print loop (REPL) tool, which was a long term goal for Java, is now added in Java 9 • Java’s REPL called jShell evaluates statements and expressions • Developers get feedback about the program before compilation by entering certain commands • The command-line tool’s capabilities involve tab completion and automatic addition of the terminal semi-colon wherever needed • jShell API allows jShell functionality in the IDE and other tools

  10. Streams API in Java 9 • Stream in Java enables developers to express the calculation related expression in a way that allows data parallelism • The Stream API adds methods that take and drop item conditionally from the Stream and iterate over the Stream elements, creating a Stream from nullable value along with expanding the Java SE API that also serve as Streams sources

  11. Code cache can be divided in Java 9 • In Java 9, the code cache can be divided thus improving the performance and allowing extension like fine-grained locking • This results in improved sweep times, thus improving the execution time and giving a push to custom Java development

  12. Better JavaScript backing in Java 9 • A lightweight runtime Javascript is being improvised in JDK9 under the Project Nashorn • This project aimed to implement efficient yet lightweight runtime Javascript • Project Nashorn was charged for enabling embedded Javascript in the Java projects • The API enables ECMA Script code analysis by IDEs and server-side frameworks without depending on the internal implementation classes

  13. HTTP/2 client API • The beta version of HTTP/2 is a part of JDK 9 which implements the upgrades in java to the web’s core HTTP protocol • HTTP/2 API can substitute the HttpURLConnection API, which had several issues if being designed with low-defunct protocols anteceding the HTTP/1

  14. Improved HTML5 and Unicode support in Java 9 • The JavaDoc tool has been enhanced to create HTML5 mark up • The Unicode 8.0 encoding standard is also well supported providing 8,000 characters, 10 blocks and 6 scripts

  15. DTLS security API in Java 9 • From security perspective, the DTLS (Datagram Transport Layer Security) API has added into JDK 9 • This protocol prevents message forgery, eavesdropping and tampering with the client-server interaction

  16. To Make a Long Story Short “Java @ 20+ Maintains Its Supremacy in the Enterprise World”

  17. Future Scope • Java is now planned to have a 6-month release calendar the next major release being called Java 18.3 • Followed by the next release Java 18.9 which will be 6 months later creating a lot of enthusiasm in enterprises offering Java application development services

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