1.C] Explain the DDA line drawing algorithm with its procedure DDA Algorithm Explanation Digital Differential Analyzer (DDA) Algorithm 1. Slope Calculation Slope (m): The slope of the line between two points (x1, y1) and (x2, y2) is calculated using the…
1.B] Explain the architecture of a raster-graphics system with a display processor Answer:- The organization of a simple raster system is depicted in the figure below. Raster-Scan Display Processor: Scan Conversion: Example 1: Displaying a Line Example 2: Displaying a…
10.B] Explain Callable statement object with an example program. Answer: The CallableStatement interface is used to call stored procedures and functions in a database. Here’s a detailed explanation with the provided snippet and an example. Explanation Code Snippet Explanation Example…
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…
