Java Server And Servlet — Part 1 MCQs with Explanations

A Java program that runs on the server to handle client requests is the correct answer to “What is a servlet in Java”. This question is standard in competitive examination syllabi for Java Server And Servlet.

`doGet()` is the correct answer to “Which of the following is a valid method in the `HttpServlet` class in Java”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To configure servlet mappings and other web application settings is the correct answer to “What is the purpose of the `web.xml` file in a Java web application”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To encapsulate the client's request information is the correct answer to “In Java Servlets, what is the purpose of the `HttpServletRequest` object”. This question is standard in competitive examination syllabi for Java Server And Servlet.

Sessions can be maintained using cookies or URL rewriting is the correct answer to “Which of the following is true about session management in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To encapsulate the response sent to the client is the correct answer to “What is the role of the `HttpServletResponse` object in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

`GET` is the correct answer to “Which HTTP method is typically used for retrieving data from a server in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To provide access to application-wide resources is the correct answer to “In Java Servlets, what is the purpose of the `ServletContext` object”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To handle HTTP POST requests is the correct answer to “What is the purpose of the `doPost()` method in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To forward a request from one servlet to another is the correct answer to “In Java Servlets, what is the primary function of the `RequestDispatcher` interface”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To initialize the servlet is the correct answer to “What is the role of the `init()` method in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

They manage the lifecycle of servlets is the correct answer to “Which of the following is true about servlet containers (e.g., Tomcat)”. This question is standard in competitive examination syllabi for Java Server And Servlet.

Associating a URL pattern with a servlet is the correct answer to “What does the term "URL mapping" refer to in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

`404 Not Found` is the correct answer to “Which of the following is NOT a standard HTTP status code in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To map a URL pattern to a servlet is the correct answer to “What is the purpose of the `web.xml` ` ` element in a Java web application”. This question is standard in competitive examination syllabi for Java Server And Servlet.

Software that manages the execution of servlets is the correct answer to “What is a servlet container in Java web applications”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To perform filtering tasks on requests and responses is the correct answer to “In Java Servlets, what is the purpose of the `doFilter()` method in the `Filter` interface”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To define context-specific parameters is the correct answer to “What is the purpose of the `context-param` element in the `web.xml` file of a Java web application”. This question is standard in competitive examination syllabi for Java Server And Servlet.

`javax.servlet` is the correct answer to “Which Java package contains the core classes and interfaces for servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To provide session management capabilities is the correct answer to “What is the role of the `HttpSession` interface in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

`POST` is the correct answer to “Which HTTP method is used for updating data on the server in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To wrap an existing `HttpServletRequest` is the correct answer to “In Java Servlets, what is the purpose of the `HttpServletRequestWrapper` class”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To define initialization parameters for a servlet is the correct answer to “What is the purpose of the `init-param` element in the `web.xml` file of a Java web application”. This question is standard in competitive examination syllabi for Java Server And Servlet.

Sessions can be tracked using cookies, URL rewriting, and hidden form fields is the correct answer to “Which of the following is true about session tracking in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To wrap an existing `HttpServletResponse` is the correct answer to “In Java Servlets, what is the purpose of the `HttpServletResponseWrapper` class”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To clean up resources and finalize the servlet is the correct answer to “What is the primary function of the `destroy()` method in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

The environment in which a servlet runs is the correct answer to “What does the term "servlet context" refer to in Java Servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

To perform filtering tasks on requests and responses is the correct answer to “In Java Servlets, what is the purpose of the `javax.servlet.Filter` interface”. This question is standard in competitive examination syllabi for Java Server And Servlet.

launch configuration is the correct answer to “Which part stores the program arguments and startup parameters”. This question is standard in competitive examination syllabi for Java Server And Servlet.

4095 bytes is the correct answer to “What is the storage capacity of single cookie”. This question is standard in competitive examination syllabi for Java Server And Servlet.

session.getAttribute(String name) is the correct answer to “Which of the following code is used to get an attribute in a HTTP Session object in servlets”. This question is standard in competitive examination syllabi for Java Server And Servlet.

servlet filter is the correct answer to “How is the dynamic interception of requests and responses to transform the information done”. This question is standard in competitive examination syllabi for Java Server And Servlet.

remote debugging is the correct answer to “What is debugging an application which runs on another java virtual machine on another machine”. This question is standard in competitive examination syllabi for Java Server And Servlet.

DataInputStream data = request.getInputStream() is the correct answer to “Which of the following code retrieves the body of the request as binary data”. This question is standard in competitive examination syllabi for Java Server And Servlet.

F7 is the correct answer to “Which key helps to step out of the caller of currently executed method”. This question is standard in competitive examination syllabi for Java Server And Servlet.

Springcore is the correct answer to “Which of the below is not a javascript framework for UI”. This question is standard in competitive examination syllabi for Java Server And Servlet.

i, ii are correct is the correct answer to “What is the difference between servlets and applets? i. Servlets execute on Server; Applets execute on browser ii. Servlets have no GUI; Applet has GUI iii. Servlets creates static web pages; Applets creates dynamic web pages iv. Servlets can handle only a single request; Applet can handle multiple requests”. This question is standard in competitive examination syllabi for Java Server And Servlet.

variable tab shows variables highlighted when values change is the correct answer to “What happens when the value of variable change”. This question is standard in competitive examination syllabi for Java Server And Servlet.

input tag is the correct answer to “How can we take input text from user in HTML page”. This question is standard in competitive examination syllabi for Java Server And Servlet.

both jar and war is the correct answer to “How are java web applications packaged”. This question is standard in competitive examination syllabi for Java Server And Servlet.