This chapter covered the basic J2EE components and how they are deployed, and the various archive files in which J2EE components are deployed (WAR, EAR, EJB JAR, and JAR).We talked about the many types of J2EE-supported components: JavaBeans, applets, servlets, JSP, TagLibs, session beans, stateless session beans, and entity bean. We also discussed how to create deployments that interoperate with various containers using deployment descriptor files and archive files. Deployment files make deployment easier because they describe the components, how the components interact with other components, and how the components interact with their container environment.
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