Technical Interview Questions
Yes, of course you can use the constructor instead of init(). There’s nothing to stop you. But you shouldn’t. The original reason for init() was that ancient versions of Java couldn’t dynamically invoke constructors with arguments, so there was no way to give the constructur a ServletConfig. That no longer applies, but servlet containers still … Read more
YES. JSP technology is extensible through the development of custom actions, or tags, which are encapsulated in tag libraries. Yes, JavaServer Pages (JSP) technology is extensible. JSP allows developers to create custom tags, known as JSP custom tags or simply custom tags, to encapsulate reusable functionality. This extensibility enables developers to extend the standard JSP … Read more
Because no plug-ins or security policy files are needed on the client systems(applet does). Also, JSP pages enable cleaner and more module application design because they provide a way to separate applications programming from web page design. This means personnel involved in web page design do not need to understand Java programming language syntax to … Read more
There are three scripting language elements: Declarations Scriptlets Expressions In advanced Java, specifically in JavaServer Pages (JSP), there are three main types of scripting elements: Declarations: Declarations are used to declare variables or methods in the scripting language. They are enclosed between <%! and %> tags.Example: jsp <%! int count = 0; void incrementCount() { … Read more
Implicit objects are objects that are created by the web container and contain information related to a particular request, page, or application. They are: Request, response, pageContext, session, application, out, config, page, exception. In advanced Java programming, especially in web development using technologies like JavaServer Faces (JSF) or Servlets/JSP, there are several implicit objects that … Read more