LinkedIn transitioned from a monolithic architecture to a microservices-based approach, introducing REST along the way. Starting with their original codebase in Java, Servlets, JSP, and JDBC, they evolved to a service-oriented architecture with fine-grained services. Challenges such as test failures

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Interaction between web clients and servers in Java servlet-based web apps, from handling HTTP requests to employing helper apps for dynamic content generation. Overview of server responses, CGI helper programs, and how servlets work within a web container like Tomcat.

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Servlets are small programs that execute on the server side of web connections, dynamically extending the functionality of a web server. They provide a way to interact with clients, handle requests, and generate responses. Servlets have evolved from the early days of CGI scripts, offering better per

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Exploring the concepts of cookies and sessions in servlets, including how cookies work, managing cookies in servlets, and an example servlet code for handling user input using cookies. Learn about the basics of servlets and how they interact with client-side cookies to enhance web application functi

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