J2EE :
(javax.servlet javax.servlet.http)
Java Server Pages
Enterprise Java Bean (javax.ejb.*)
J2EE Connector
Java Message Service (javax.jms.*)
Java Authorization Contract for Containers
J2EE Connector Architecture J2EE- , . J2EE-.
Java Authentication and Authorization Service (JAAS) J2EE .
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* ( , , , ).
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EJB. EJB- (session bean), EJB- (entity bean), EJB (message-driven bean).
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Enterprise JavaBeans (EJB) J2EE. J2EE. Web JSP J2EE. Web- J2EE. . . . Web- Java, . , - , . Web-, - , J2EE .
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J2EE . , , J2EE-, .
J2EE SDK : Java 2 Platform, Standard Edition (J2SE) SDK, API J2EE-, Java. J2EE SDK API, J2EE-.