Glossary of J2EE Technology

J2EE:
EJB: Enterprise JavaBeans Enterprise JavaBean Component
IDL: Interface Definition Language
JMS: Java Message Service
JNDI: Java Naming and Directory Interface Java Naming Directory Interface
RMI: Remote Method Invocation remote method call
JTA: Java transaction API
JTs: Java Transaction Service
Object serialization: Object serialization
Javamail: Java Mail Service
JDBC: database access API
JSP: Java Server Pages
Servlet: A server program written in Java

There are three types of ejbs:
Session Bean)
Entity Bean (Entity Bean)
Message driver Bean (Message-driven bean)

Session beans are divided into two types:
Stateless Session Bean (stateless session bean)
Statefull Session Bean (stateful session bean)

Entity beans are divided into two types:
CMP: Container manager persistence (container management persistence)
BMP: bean manager persistence (bean management persistence)

Other abbreviations:
Dto: Data Transport object data transmission object
JDO: Java Data Object
Dao: Database Access Object
Pojo: Proterozoic Java object Java Native object
VO: value object Value Object
Soap: Simple Object Access Protocol