JavaEE is a new name for J2EE. It is an enterprise-level distributed application development specification jointly formulated by many companies under the leadership of SUN. Java EE is a collection of specifications for developing and deploying enterprise applications.
Java EE is actually a collection of Java platform technologies and APIs designed to support "enterprise" applications, which can generally be classified as large , distributed, transactional and high-availability applications designed to support mission-critical business needs. A simple understanding of javaEE is for enterprise-level development, most of which are web development. For example, the backends of websites such as JD.com and Taobao are all written in Java.
Java EE is a collection of specifications for developing and deploying enterprise applications.
Typically, enterprise applications refer to software hosted on servers that provide applications that support the enterprise.
Specifications (defined by Sun) describe services, application programming interfaces (APIs) and protocols.
The 13 core technologies that make up Java EE include:
JDBC JNDI EJB的 RMI JSP Java servlet XML JMS Java IDL JTS JTA JavaMail的 JAF
Java EE product providers are typically application servers, web servers, or database system vendors that provide A class that implements the interface defined in the specification. These vendors compete on implementation of the Java EE specification.
When companies need Java EE experience, what they really need is experience using the technologies that make up Java EE. Typically, companies only use a subset of Java EE technologies.
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