Preparing for Java and Spring Boot Interview?

Join my Newsletter, its FREE

Thursday, February 29, 2024

What is the ContextLoaderListener in Spring MVC? What does it do?

The ContextLoaderListener is one of the important component of Spring MVC framework. It is like any listener defined by Servlet specification and specified in web.xml using <listener> tag. It is loaded when Spring MVC based web application is deployed in any Servlet container e.g. Tomcat. The ContextLoaderLister of Spring MVC is responsible for loading root ApplicationContext for Spring. The application context is the place where Spring bean lives. If you need reference to a Spring bean either its auto-wired or injected by framework or you can get it directly from application context. In Spring MVC based web application, there can be multiple application context e.g. root application context and context local to each DispatcherServlet.

Tuesday, February 13, 2024

Top 5 React and Redux Courses to Learn Online in 2024 - Best of Lot

If you are a Web developer or someone passionate about web development and looking for some awesome courses to learn React or React JS, a popular JavaScript framework to develop a component-based user interface then you have come to the right place. Facebook's React library has taken the front-end development world by storm. More and more people have started using React even in favor of Google's Angular, another popular front-end development framework. Well, I am not going into the classic debate of Angular vs React as both the framework has their own advantage and disadvantage but if you have chosen to learn React, you have made the right decision.

Thursday, February 1, 2024

Top 6 Object Oriented Programming and Design Courses for Java Programmers in 2024 - Best of Lot

There is no doubt that Object-oriented programming is a pillar of software development and one of the reasons for the massive success of Java. Good knowledge of Object-oriented programming helps you to create better software. It also allows you to communicate your ideas better with your team members and fellow programmers. Despite being such an important technology, it's difficult to find programmers who understand OOP well. Many programmers just think that OOP is nothing more than Abstraction, Inheritance, Encapsulation, and Polymorphism, without genuinely understanding these concepts and mastering them.

Top 5 Courses to learn D3.js for Data Visualization with JavaScript in 2024 - Best of Lot

If you have done any Data visualization work then you might have heard about D3 - one of the excellent JavaScript libraries, which allows you to create beautiful interactive data visualization for the web. It's prevalent among Data Scientists and Data Analysts who often need these visualizations and charts to present data insights to stakeholders and business people. If you are not familiar with D3, no need to worry because, In this article, I am going to share some of the awesome courses to learn D3 in 2024. These courses teach you the basics of data visualization with D3 by binding data to a web page’s elements and customizing the elements based on that very data. You will also learn how to build different kinds of charts like Bar charts, Pie charts, Mind maps, etc using D3.js