Spring Interview Question is one of the first things Java programmers should prepare before appearing on any Java or Spring interview. With the immense popularity of Spring frameworks like Spring MVC and Spring Boot in the Java world, the focus on Spring skills on interviews increases daily. For those who don't know, the Spring framework is one of the most famous structures for Java applications, which aims to simplify Java development. It revolutionized the Java development when it initially came with concepts of Dependency Injection and Inversion of Control, which made writing a testable and maintainable Java application.
3 Books and Courses to Learn RESTful Web Services using Spring and Java in 2025 - Best of Lot
Hello guys, if you know the Spring framework, then there is a good chance that you have heard about the classic Spring in Action book by Craig Walls. It's one of the best books to learn Spring, and many Java developers, including me, have learned Spring from that. But, even though the Spring in Action 5th Edition is one of the best books to learn Spring framework, it's just not enough to learn the intricacies of developing a modern, full-featured RESTful Web Service using Spring Framework. It does have a chapter on developing RESTful Web Services. It nicely explains concepts like @RestController, @ResponseBody, @ResponseStatus, HTTP message converters, content negotiation, but that barely touches the surface of developing a production-quality RESTFul Web Service.
Top 10 Free Core Spring, Spring MVC, and Spring Boot Courses for Beginners in 2025 - Best of Lot
Hello guys, if you want to learn Spring Framework, Spring MVC and Spring Boot then you are at the right place. In this post you will find the best free courses to learn Spring Framework, Spring MVC and Spring Boot in 2025. I have been sharing a lot of resources like books and courses recently and when I published my list of Top 5 courses to learn Spring and Hibernate, many of my readers asked about a similar list of free courses to learn Spring Framework like Core Spring, Spring MVC, Spring Security, and Spring Boot. That request was always back in my mind but I couldn't get time to put together a list, which I can share with you guys, but today is the day. In this list, I have compiled some of the best online free courses to learn Spring Framework from scratch, online at your own pace.
10 Essential Spring MVC and REST Annotations with Examples for Java Programmers
Hello guys, welcome to my third article on exploring essential annotations from the Spring framework, the most popular framework for Java development. In the first article, I have shared some of the most useful Spring Framework annotations, which were based upon Core Spring functionalities like dependency injection, inversion of control, and configuration, and in the second article, you have learned about important Spring Cloud annotations like @EnableConfigServer, @EnableEurekaSever, and @EnableDiscoveryClient. Now that you know those essential Spring annotations it's time to move towards Spring MVC and REST, one of the most used parts of Spring Framework.
Top 7 Udemy Courses to Learn Spring Framework in 2025 - Best of Lot
Hello Java developers, if you want to learn Spring Framework and look for the best resources like books, online courses, and tutorials, you have come to the right place. Earlier, I have shared the free Spring Framework courses, best spring framework books, and best Spring Boot courses, and today, I Am going to share the best Spring Framework courses for Java developers. It is one of the world's most popular development frameworks for using enterprise Java. It is used by millions of developers for creating easily testable, reusable, and high-performance code, and it is also one of the essential skills for Java developers. If you are not familiar with the Spring framework, this should be the first thing you should learn in 2025.
Difference between @Controller vs @RestController in Spring Framework
Hello and welcome to the blog post. If you are preparing for Java or Spring Boot
interview, you may have come across this topic. In this article, we are going to
have a look at the difference between @Controller and @RestController
annotation. Let's understand with the help of an example.
Spring Framework is a popular open-source application framework that provides infrastructure support for developing Java applications. One of the essential components of Spring Framework is the controller, which is used to handle HTTP requests and provide responses to clients. In Spring, there are two types of controllers: @Controller and @RestController.
Spring Framework is a popular open-source application framework that provides infrastructure support for developing Java applications. One of the essential components of Spring Framework is the controller, which is used to handle HTTP requests and provide responses to clients. In Spring, there are two types of controllers: @Controller and @RestController.
Difference between @RequestParam and @PathVariable in Spring MVC
Hello guys, if you are wondering what is difference between @ReqestParam and @PathVaraible annotation in Spring MVC, most likely because it was asked to you on a Java and Spring interview or maybe you are just curious then you have come to the right place. In the past, I have talked about difference between @Component, @Service, @Reposistory and @Controller annotations and in this comprehensive article we are going to take an in-depth look at the difference between the two most frequently used annotations in Spring MVC. It provides two commonly used annotations, namely @RequestParam and @PathVariable, which play a significant role in parameter handling within web applications.
Difference between @RequestParam vs @RequestBody in Spring MVC? (with Example)
Hello everyone, in this article, we are going to look at an interesting topic from the Java Spring framework and the topic is, to find the difference between @RequestBody and @RequestParam. If you don't know this is one of the frequently asked Spring MVC interview question and also two of the most used annotation when creating backend of a Java web application in Spring Framework. Earlier, I have explained difference between @RequestBody and @ResponseBody in Spring MVC and REST APIs, and in this article, I am going to tell you the difference between @RequestBody and @RequestParam annotation in Spring Framework. It is worth noting that these two annotations are frequently used in Spring Boot REST API.
10 Examples of RestTemplate in Spring Framework
Hello guys, if you are wondering how to send GET and POST request to your API or Web Service from a Java based Spring Framework then you would be glad to know that You can use use RestTemplate class from Spring Framework. It's a fully functional HTTP client which is really really useful in this age of API. I have used RestTemplate to consume JSON from API before as well as sending different kind of request like POST, PUT, DELETE and PATCH to any REST API. For example, in this article, I shared how to send POST request using RestTemplate and how to set header on HTTP request using RestTemplate. Yes, RestTemplate also allow you to send headers like Authorization on Http Request.
Top 10 Spring Framework Annotations Java Developer Should Learn - Example Tutorial
Hello guys, if you are learning the Spring framework and want to know what are essential Spring annotations you should know then you have come to the right place. Earlier, I have shared the free Core Spring and Spring Boot courses and Spring certification resources for Java developers, and in this article, you will find some of the most common annotations in this article, which is a must for a Java developer to work with Spring. You will also learn what does annotation really does and why should you learn them. There is no doubt that the Spring framework is one of the most popular Java frameworks, and it has made the life of Java developers easy by providing some excellent features in the last 15 years.
What is ContextLoaderListener in Spring MVC? Example Tutorial
The ContextLoaderListner is one of the essential components of the Spring MVC framework, probably the most important after the DispatcherServlet itself. It is used to create the root context and responsible for loading beans, which are shared by multiple DispatcherServlet like beans related to the service layer and data access layer. In general, When you develop Spring MVC based web applications and also using Spring in the services layer, you need to provide two application-contexts. The first one is configured using ContextLoaderListener, and the other is set using DispatcherServlet. The DispatcherServlet is responsible for loading web component-specific beans like controllers, view resolvers, and handler mappings while, as I said before, ContextLoaderListener is accountable for loading middle-tier and data-tier beans which forms the back end of Spring applications.
How to enable HTTP Caching in Java Web application with Spring MVC? Cache-Control Header Example
One of the standard requirement in a secure Java web application is to disallow the back button of the browser or invalid the session if the user hit the back button of the browser. You might have seen this behavior while doing online banking or net banking, almost all the banks don't allow you to use the browser's back button. Your session gets terminated as soon as you hit the back button, and you have to log in again to do any transaction. Btw, have you ever checked some situations on your Servlet and JSP-based Java web application, like, if you pressed the back button of your browser after logging in, what happened? You will find that the browser takes you to the previous page.
How to send Email in Java using Spring Framework? JavaMailSenderImpl Example Tutorial
Hello guys, if you want to send emails from your Java application and looking for a Java + Spring Framework tutorial to send emails then you have come to the right place. Earlier, I have shared the free spring framework online courses, and today, I am going to share how to send Emails in the Java application using Spring Framework and JavaMailSenderImpl class which makes it really easy to send emails from Java application. Email is one of the essential function of any enterprise Java application. Your application will need Email functionality to send reminders, bills, payments, confirmations, passwords, alerts, and several other kinds of system notifications.
How does HTTP Request is handled in Spring MVC? DispatcherServlet Example Tutorial
One of the common interview questions in Spring MVC is, how does the DispatcherServlet process a request in Spring MVC? or What is the role of DispatcherServlet in the Spring MVC framework? This is an excellent question for any Java or Spring web developer because it exposed the candidate's knowledge about Spring MVC architecture and how its main components like Model, View, and Controller. The answers to this question show how much you know about the Spring MVC framework and its working.
What is the use of DispatcherServlet in Spring MVC? Interview Question Example
Hello guys, In today's article we are going to discuss one interesting and the important Spring MVC concept, which is also a popular Spring Interview question. How DispatcherServlet works internally in Spring MVC or What is the role of DispatcherServlet in Spring MVC are some of the frequently asked Spring MVC Interview Questions. You might have seen them already during your previous Java web development interviews but if you have not, it's a good question to know. In this article, I'll answer these questions by explaining What is DispatcherServlet and its importance in Spring MVC. The DispatcherServlet is one of the important components of the Spring MVC web framework and acts as a Front Controller.
How to use @ResponseBody and @RequestBody in Spring MVC and REST? Example Tutorial
Hello guys, if you are wondering what is
@RequestBody and
@ResponseBody annotation in Spring MVC and Spring Boot then you have come to the right place. Earlier, I have told you
about the
@RestController
annotation and in this article, I am going to explain to you what is RequestBody
and ResponseBody annotation, how to use them, and when to use them with simple examples. While working with REST API, we may need to bind HTTP requests and response bodies
with the domain object. To bind this, we use we can use the @ResponseBody and @RequestBody annotations in Spring MVC.
3 Ways to return different content types from Spring MVC Controller? @RequestMapping and ResponseEntity Example Tutorial
Hello guys, if you want to provide different types from a Controller in Spring
MVC and wondering how to do that then you have come to the right place. In the
past, I have shared the
free Spring MVC courses,
books, and
interview questions
and in this article, I am going to show you three ways to send different
content types from Spring Controller. There are various content types for a
controller and we are going to discuss them in this tutorial. So we are going
to discuss how to interpret the data present in the request and response. JSON
is one of the media formats that may be consumed/produced using this
request-response architecture.
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