quescol Short Answer A servlet is a Java program that runs on a web server. It helps websites interact with users by handling their requests and sending back responses. Think of it as a middleman between a user’s web browser and the server’s data and applications. The life cycle of a servlet includes several steps: This … Read more
Short Answer Struts is a framework for building web applications in Java. It helps developers create websites that can easily talk to databases and other data sources. Struts makes it simpler to manage the flow of information from a user’s request to the final response. It uses a special design called MVC (Model-View-Controller) to keep … Read more
Short Answer In the world of Java and databases, a “driver” is like a communicator. It helps Java applications understand how to talk to a database. There are four main types of JDBC drivers, each with its own way of handling this communication. Each type has its own benefits and is chosen based on the … Read more
Short Answer JDBC stands for Java Database Connectivity, is a way for Java programs to talk to databases. It acts like a bridge between java program and database. First, you have the JDBC API, which gives Java programs a common language to ask for data. Then, there’s the JDBC Driver Manager, which picks the right … Read more
Short Answer JDBC stands for Java Database Connectivity. It’s a way for Java programs to talk to databases. With JDBC, you can ask a database to do things like read data or save new information. Here’s how it works: First, your Java program uses JDBC to connect to a database. Then, it sends SQL commands … Read more
Short Answer Running a JSP program on a Tomcat server involves a few steps. First, make sure you have Tomcat installed and running on your computer. Then, create your JSP file and save it in the webapps directory of your Tomcat installation, inside a specific folder for your project. Here’s how you do it in … Read more
Short Answer JSP (JavaServer Pages) and ASP (Active Server Pages) are both technologies used to create dynamic web pages, but they come from different backgrounds and use different programming languages. JSP is from Sun Microsystems (now part of Oracle) and uses Java for its scripting language. This means it can run on many different servers … Read more
Short Answer Sharing data between JSP pages helps different parts of a web application communicate and share information. You can share data using scopes: request, session, application, and page. Request scope shares data with requests and forwards. Session scope shares data across different pages during the same user session. Application scope shares data with all … Read more
Short Answer In JSP, a session is like a backpack that the website remembers you by. It keeps track of what you do on the site, like what you put in your shopping cart. But sometimes, you don’t want the site to remember you. That’s when you can turn the session on or off. To … Read more
Short Answer In JSP, when something goes wrong while a webpage is running, it’s like tripping while running. This trip is called a runtime exception. JSP has a smart way to handle these trips without letting everything crash down. Think of JSP as a teacher with a first aid kit. Whenever a student (the webpage) … Read more