10.A] Write a Java program to execute a database transaction. Answer: In JDBC, Connection interface provides methods to manage transaction. Method Description void setAutoCommit(boolean status) It is true bydefault means each transaction is committed bydefault. void commit() commits the transaction.…
9.B] Describe various steps of JDBC with code snippets. Answer:- 5 Steps to connect to the database in java There are 5 steps to connect any java application with the database in java using JDBC. They are as follows: 1.…
9.A] Explain the four types of JDBC drivers Answer: Java Database Connectivity(JDBC) is an Application Programming Interface(API) used to connect Java application with Database. JDBC Driver is a software component that enables java application to interact with the database. There…
8.B] Write a note on:i) Session Trackingii) Cookies Answer: i) Session Tracking There are 2 techniques used in Session tracking: ii) Cookies A cookie is a small piece of information that is persisted between the multiple client requests. By default,…
8.A] Explain how to handle HTTP request and response with an example Answer: In Java servlets, handling HTTP requests and responses involves overriding methods from the HttpServlet class. The most common methods are doGet() and doPost(), which correspond to HTTP…
7.B] Explain how to read servlet parameters with an example Answer: Note: if difficult to understand, Reading Form Parameters is enough In a servlet, parameters are often sent from the client (e.g., via an HTML form) and can be accessed…
7.A] List and explain core classes and interfaces in the javax.servlet package. Answer: INTERFACES CLASSES Servlet ServletInputStream ServletContext ServletOutputStream ServletConfig ServletException ServletRequest UnavailableException ServletResponse GenericServlet Interface Summary Servlet Defines methods that all servlets must implement. ServletRequest Defines an object to…
21CS642 Advance Java Programming Solved Model Question Paper-1 with Answer Module 1 1.A] What is an Enum? Write a program that displays enumeration constants using the values() and valueOf() methods. 1.B] Explain with examples:i) Autoboxing and Unboxingii) Type Wrapper OR…
6.B] Explain all String Buffer methods with examples. Answer: The StringBuffer class in Java is used to create mutable (modifiable) strings. Unlike String, which is immutable, StringBuffer allows strings to be changed without creating new objects. Below are some of…
6.A] Define String handling. Explain special string operations with examples. Answer:- String handling in Java refers to the process of creating, manipulating, and managing strings. Strings in Java are objects that represent sequences of characters. The String class provides various…
