java 13 interview questions and answers

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

Java Server Page is a standard Java extension that is defined on top of the servlet Extensions. The goal of JSP is the simplified creation and management of dynamic Web pages. JSPs are secure, platform-independent, and best of all, make use of Java as a server-side scripting language. JavaServer Pages (JSP) is a technology used … Read more

<%– JSP Comment –%> <!– HTML Comment –> In JavaServer Pages (JSP), there are two types of comments: HTML Comments: Syntax: <!– This is an HTML comment –> Description: HTML comments in JSP are similar to standard HTML comments and are used for adding comments to the generated HTML output. These comments are visible in … Read more

Custom JSP tag is a tag you defined. You define how a tag, its attributes and its body are interpreted, and then group your tags into collections called tag libraries that can be used in any number of JSP files. To use custom JSP tags, you need to define three separate components: the tag handler … Read more