java 13 interview questions and answers

request.getRequestDispatcher(path): In order to create it we need to give the relative path of the resource context.getRequestDispatcher(path): In order to create it we need to give the absolute path of the resource. In Java Servlet programming, both request.getRequestDispatcher() and context.getRequestDispatcher() are used to obtain a RequestDispatcher object, but they differ in the way they determine … Read more

ServletContext: Gives the information about the container PageContext: Gives the information about the Request In advanced Java programming, ServletContext and PageContext are two different objects used in web applications, particularly in the context of JavaServer Pages (JSP) and servlets. Here’s a brief explanation of the differences between ServletContext and PageContext: Scope: ServletContext: It represents the … Read more

No In JavaServer Pages (JSP), which is a technology used for building dynamic web pages, it is not possible to directly implement an interface like you would in a regular Java class. JSP is primarily used for presentation logic and is meant to be a mix of HTML and Java code. However, you can achieve … Read more

Cookie mycook = new Cookie(“name”,”value”); response.addCookie(mycook); Cookie killmycook = new Cookie(“mycook”,”value”); killmycook.setMaxAge(0); killmycook.setPath(“/”); killmycook.addCookie(killmycook); In Advanced Java, particularly within a JavaServer Pages (JSP) page, you can set and delete cookies using the following methods: Setting a Cookie: To set a cookie in a JSP page, you can use the following syntax: jsp <% // Set … Read more

<%@ page session=”false”> In Advanced Java, particularly in JavaServer Pages (JSP), you can use the session attribute in the page directive to control the automatic creation of a session. If you want to prevent a JSP page from automatically creating a session, you can use the following page directive: jsp <%@ page session=”false” %> This … Read more