Summary
J2EE offers a well thought-out architecture for developing complex enterprise Java applications.
J2EE's combination of technologies—namely EJB, servlets, and JSPs—and its generic API (JDBC, JavaMail, JMS, etc.) give its users various advantages. Thus, developing a J2EE application simplifies the overall task of developing large-scale distributed applications.
Some of the key challenges that are simplified by J2EE include distribution of applications across multiple processes and processors, security, transactions, persistence management, and deployment.
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