search
HomeJavajavaTutorialWhy developers are so excited about Java 9

As the standard Java version is updated, developers can always get the desired functions from the upgraded version. So why is the release of Java 9 making developers so excited? Some main reasons are listed below:

1. Modular source code

The JDK source code will be organized in a modular form. The generation system will be enhanced in modular compilation, and the modules will be The boundaries between them will also be enforced. "Jigsaw's goal is to design and implement a standard modular system for the Java SE platform and apply the system to its own platform and JDK. Its main goal is to provide a simple scalable implementation for some small devices and improve Security and maintainability, improve application system performance, and provide developers with more development tools." This is described in the JDK optimization recommendations.

 2. Lightweight JSON API

  This is an interface that uses the JSON data exchange format to generate documents and data streams. In some cases, JSON can completely replace XML. "JSON can be used in Web services, and Java SE will also adopt the JSON data format. This is also the most needed function provided in Java 9."

  3. System process management

 This upgrade will The API for managing operating system processes has been improved and improved. The current API can only force developers to use local code, but this upgrade also overcomes this limitation. In Java SE 7, there are great restrictions on the operation of local operating system processes, but the new APIs in Java 9 also need to consider the differences between different operating systems, especially Windows. "The design of the API needs to adapt to mobile devices with different operating systems, and must be able to be deployed and applied on these devices. At the same time, the situation of multiple Java virtual machines in the same operating system should also be considered." This is how it is described in the JEP document .

 4. Improve competition locks

 This goal is to improve thread competition processing when accessing objects. The document says this: "Improving competition between locks is very beneficial to real-life application systems."

5. Segmented code cache

This mainly divides the code cache into several blocks, each block contains compiled code, which not only improves the performance of the program during runtime, but also makes it easier to expand.

 6. Smart Java Compiler

 This project is mainly to improve the performance of the Java compiler so that it can surpass JDK in compiling large projects. The current implementation is really great, not only improving the compilation speed, but also Incremental compilation capabilities. However, since the code quality and stability are not yet satisfactory, the project has not yet been released to the public, so stay tuned.


Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
How do I use Maven or Gradle for advanced Java project management, build automation, and dependency resolution?How do I use Maven or Gradle for advanced Java project management, build automation, and dependency resolution?Mar 17, 2025 pm 05:46 PM

The article discusses using Maven and Gradle for Java project management, build automation, and dependency resolution, comparing their approaches and optimization strategies.

How do I create and use custom Java libraries (JAR files) with proper versioning and dependency management?How do I create and use custom Java libraries (JAR files) with proper versioning and dependency management?Mar 17, 2025 pm 05:45 PM

The article discusses creating and using custom Java libraries (JAR files) with proper versioning and dependency management, using tools like Maven and Gradle.

How do I implement multi-level caching in Java applications using libraries like Caffeine or Guava Cache?How do I implement multi-level caching in Java applications using libraries like Caffeine or Guava Cache?Mar 17, 2025 pm 05:44 PM

The article discusses implementing multi-level caching in Java using Caffeine and Guava Cache to enhance application performance. It covers setup, integration, and performance benefits, along with configuration and eviction policy management best pra

How can I use JPA (Java Persistence API) for object-relational mapping with advanced features like caching and lazy loading?How can I use JPA (Java Persistence API) for object-relational mapping with advanced features like caching and lazy loading?Mar 17, 2025 pm 05:43 PM

The article discusses using JPA for object-relational mapping with advanced features like caching and lazy loading. It covers setup, entity mapping, and best practices for optimizing performance while highlighting potential pitfalls.[159 characters]

How does Java's classloading mechanism work, including different classloaders and their delegation models?How does Java's classloading mechanism work, including different classloaders and their delegation models?Mar 17, 2025 pm 05:35 PM

Java's classloading involves loading, linking, and initializing classes using a hierarchical system with Bootstrap, Extension, and Application classloaders. The parent delegation model ensures core classes are loaded first, affecting custom class loa

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

VSCode Windows 64-bit Download

VSCode Windows 64-bit Download

A free and powerful IDE editor launched by Microsoft

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools