Archives from the Category Java - 5

Archived Articles from the Category Java

• What's JarIndex mechanism? What's it used for?
• Object.clone() throwing exception for Object instance - why?
• What's Cloning? How does clone() work in Java?
• How can you implement a Web-based File Uploader?
• What are Reverse Proxies? What are they used for?
• What are Virtual Hosts? What are they used for?
• https becoming http for the sendRedirect method at Web Server - why?
• Web Server, Web Container, and Application Server - how they differ?
• Diff between getRequestDispatcher of ServletRequest and ServletContext
• JAR, WAR, and EAR - what are these file formats used for?
• What's a Web Server? How does a Web/HTTP Server work?
• Discuss the life cycle of a Servlet - init(), service(), destroy()
• What's HTTP? Explain HTTP Requests and HTTP Responses
• Session Tracking implementation for Servlets - how to do it?
• Session Tracking - why needed & how many ways to do it?

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