What is javaee?-javaTutorial-php.cn

Home

Java

javaTutorial

What is javaee?

藏色散人

Apr 25, 2019 am 10:08 AM

javaee

Java EE is a new name for J2EE. The reason for the name change is to let everyone know that J2EE is just a Java enterprise application. With the birth of the concepts of WEB and EJB containers, the software application industry began to worry about SUN Are our partners continuing to launch innovative standard frameworks on the Java platform, leaving the software application industry's business core component architecture at a loss? The ongoing discussion on whether EJB is needed illustrates this hesitation.

What is javaee?

pointed out in the Ioc microcontainer (that is, the implementation principle of the Jdon framework) speech at the China Software Technology Conference at the end of 2004: We need a microcontainer that spans J2SE/WEB/EJB , protect our business core components (middleware) to continue its vitality, rather than relying on the J2SE/J2EE version. This time J2EE was renamed to Java EE, which actually reflects the common aspirations of the industry.

The core of Java EE is EJB3.0, which provides a more convenient enterprise-level application framework.

Core Advantages

J2EE is easy for beginners to misunderstand as a technical solution independent of Java.

Looking at a deeper level, it has been ten years since Java was born. Business components from many years ago can still be used, and software applications are no longer devastated by the language change revolution.

Simply put, JAVAEE refers to java enterprise edition, java enterprise edition, which is mostly used for enterprise-level development, including web development and many other components

The above is the detailed content of What is javaee?. For more information, please follow other related articles on the PHP Chinese website!

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 does the class loader subsystem in the JVM contribute to platform independence?Apr 23, 2025 am 12:14 AM

The class loader ensures the consistency and compatibility of Java programs on different platforms through unified class file format, dynamic loading, parent delegation model and platform-independent bytecode, and achieves platform independence.

Does the Java compiler produce platform-specific code? Explain.Apr 23, 2025 am 12:09 AM

The code generated by the Java compiler is platform-independent, but the code that is ultimately executed is platform-specific. 1. Java source code is compiled into platform-independent bytecode. 2. The JVM converts bytecode into machine code for a specific platform, ensuring cross-platform operation but performance may be different.

How does the JVM handle multithreading on different operating systems?Apr 23, 2025 am 12:07 AM

Multithreading is important in modern programming because it can improve program responsiveness and resource utilization and handle complex concurrent tasks. JVM ensures the consistency and efficiency of multithreads on different operating systems through thread mapping, scheduling mechanism and synchronization lock mechanism.

What does 'platform independence' mean in the context of Java?Apr 23, 2025 am 12:05 AM

Java's platform independence means that the code written can run on any platform with JVM installed without modification. 1) Java source code is compiled into bytecode, 2) Bytecode is interpreted and executed by the JVM, 3) The JVM provides memory management and garbage collection functions to ensure that the program runs on different operating systems.

Can Java applications still encounter platform-specific bugs or issues?Apr 23, 2025 am 12:03 AM

Javaapplicationscanindeedencounterplatform-specificissuesdespitetheJVM'sabstraction.Reasonsinclude:1)Nativecodeandlibraries,2)Operatingsystemdifferences,3)JVMimplementationvariations,and4)Hardwaredependencies.Tomitigatethese,developersshould:1)Conduc

How does cloud computing impact the importance of Java's platform independence?Apr 22, 2025 pm 07:05 PM

Cloud computing significantly improves Java's platform independence. 1) Java code is compiled into bytecode and executed by the JVM on different operating systems to ensure cross-platform operation. 2) Use Docker and Kubernetes to deploy Java applications to improve portability and scalability.

What role has Java's platform independence played in its widespread adoption?Apr 22, 2025 pm 06:53 PM

Java'splatformindependenceallowsdeveloperstowritecodeonceandrunitonanydeviceorOSwithaJVM.Thisisachievedthroughcompilingtobytecode,whichtheJVMinterpretsorcompilesatruntime.ThisfeaturehassignificantlyboostedJava'sadoptionduetocross-platformdeployment,s

How do containerization technologies (like Docker) affect the importance of Java's platform independence?Apr 22, 2025 pm 06:49 PM

Containerization technologies such as Docker enhance rather than replace Java's platform independence. 1) Ensure consistency across environments, 2) Manage dependencies, including specific JVM versions, 3) Simplify the deployment process to make Java applications more adaptable and manageable.

See all articles