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Answer» The three methods of inter servlet communication are: - Servlet manipulation: In Servlet manipulation, one servlet directly invokes the methods of another. These servlets can GET references to other servlets using getServletNames() and getServlet(String NAME).
- Servlet reuse: In Servlet reuse, one servlet uses another’s ABILITIES for its own purposes. In some cases, this requires forcing a servlet load using a manual HTTP request.
- Servlet collaboration: In Servlet collaboration, the cooperating servlets share information. Servlets can share information using the system properties list, using a SHARED object, or using inheritance.
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