Related Topics JAVA – Technical Questions Introduction Codewindow 1. When and by whom was Java developed? 2. What was the original purpose of Java? 3. What is the significance of “Write once, run anywhere” in the context of Java? 4. Who currently maintains and develops Java? 5. How has Java evolved over the years? 6. […]
Related Topics Static in C and JAVA The keyword “static” has different meanings and uses in C and Java. In C, the keyword “static” is used to modify the scope and lifetime of variables and functions within a program. When used with a variable declared within a function, it indicates that the variable should retain
Related Topics JAVA Programing Question 27 How do you deploy and manage Servlets in a production environment, such as a web server or application server? Answer Deploying and managing Servlets in a production environment typically involves the following steps: Build your Servlets and package them into a web application archive (WAR) file. This can be
Related Topics JAVA Programing Question 21 How do you debug Servlets and troubleshoot common problems, such as classloading issues and performance bottlenecks? Answer Debugging Servlets and troubleshooting common problems involves several steps, including: Enabling debug mode: When deploying a web application, you can enable debug mode to get more detailed information about the application’s behavior.
Related Topics JAVA Programing Question 17 Can you explain the use of asynchronous processing in Servlets for handling long-running tasks? Answer Asynchronous processing allows Servlets to handle long-running tasks without blocking the processing of other requests. In other words, a Servlet can start a long-running task and then return immediately to the container to process
Related Topics JAVA Programing Question 12 How do you integrate Servlets with JSP pages to create a dynamic web application? Answer Servlets and JSP pages are often used together to create dynamic web applications. Here’s an overview of how you can integrate Servlets with JSP pages: Create a Servlet: First, create a Servlet that handles
Related Topics JAVA Programing Question 7 How do you redirect a request from one Servlet to another? Answer To redirect a request from one Servlet to another, you can use the sendRedirect method of the HttpServletResponse object. The sendRedirect method sends a response back to the client that instructs the client to send a new
Related Topics JAVA Programing Question 1 Can you explain the architecture of Servlets in Java? Answer A Servlet is a Java program that extends the capabilities of a web server. Servlets are used to handle HTTP requests and generate HTTP responses. The architecture of Servlets in Java involves three main components: the Servlet Container, the
Related Topics JAVA Programing Question 28 How do you create a combo box in a Swing application? Answer To create a JComboBox in a Swing application, you can follow these steps: Create an array or a List object containing the items to be displayed in the combo box. Create a JComboBox object and pass the
Related Topics JAVA Programing Question 21 What is the purpose of using a JSplitPane in Swing? Answer The purpose of using a JSplitPane in Swing is to provide a way to divide a container into two separate panes that can be resized by the user. A JSplitPane allows the user to adjust the relative size
