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Spring Core MCQ and Answers Explained

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If you are a Java developer, you are expected to have a good understanding of Spring Core Concepts, specifically in the programming part. Undoubtedly, Spring Boot is the popular framework in the industry. Spring Boot is built on top of Spring Framework itself. Spring Core concepts play important role in working on Spring Boot smoothly. In this article, we will refresh our concepts in the form of MCQs that are frequently asked in the interviews as well. Furthermore, you must also get benefit in the interviews from these Spring Core MCQ and Answers Explained. So, whether you are a beginner or a professional, solve these Spring Core MCQs to learn or refresh your concepts of Spring Framework before appearing either in

Spring MCQ and Answers Explained

by devs5003 - 0

If you are a Java developer, you are expected to have a good understanding of Spring Framework Concepts, specifically in the programming part. Undoubtedly, Spring Boot is the popular framework in the industry. Spring Boot is built on top of Spring Framework itself. If you have a good hold on the Spring Framework, you will easily understand Spring Boot and work on it smoothly. In this article, we will refresh our concepts in the form of MCQs that are frequently asked in the interviews as well. Furthermore, you must also get benefit in the interviews from these Spring MCQ and Answers Explained. So, whether you are a beginner or a professional, solve these Spring MCQs to learn or refresh your concepts

Why is Spring framework so popular ?

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We have various frameworks in Java. Spring framework is most popular out of them. Some other commonly used frameworks are Struts, JSF, but Spring has already dominated all of them. Let's understand why is Spring framework so popular ?. At its core, the Spring Framework includes the principles of simplicity, modularity, and loose coupling. It provides developers with a unified programming model that simplifies the complexities of enterprise application development. With its popular dependency injection mechanism, Spring enables the creation of highly modular and testable code. It also makes developers free from the burden of managing complex dependencies manually. Before directly coming to 'Why is Spring Framework so Popular ?', let's first understand the basic terminology 'What is a Framework?'. What is

Spring WebFlux CRUD Example

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All Java developers must have worked on traditional REST APIs at some point in their career. Other than the traditional approach of developing a REST API, now we have a new upgraded way of doing it. Reactive Programming as a new approach to working with REST APIs. Compared to traditional REST development, this approach is faster and offers for optimal resource utilization. In this article, we will work on the concepts of Spring WebFlux, which comes under the Reactive Programming model. Spring WebFlux is a reactive web framework built on top of Spring Framework 5, designed to handle the demands of modern web applications. Spring WebFlux provides a non-blocking and event-driven programming model that allows developers to build scalable and high-performance

Autowiring in Spring

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If you are a Java developer, dependency Injection in Spring framework must not be the new term for you. One of the key features of Spring framework is dependency injection, which makes it easy to manage dependencies between objects. On the other hand, autowiring is a form of dependency injection in Spring that allows IOC container to automatically wire beans together without the need for explicit configuration. In this article, we'll explore autowiring in Spring, the different ways of doing it, its features, limitations, and how to use it effectively with ample amount of examples covering all the scenarios. Autowiring in Spring not only reduces boilerplate code but also simplifies maintenance and testing. However, while autowiring is a handy tool in

How To Become a Good Java Developer?

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There are numerous programming languages that programmers and developers can use today from C language, C++ to Python etc. Java may be a language that is considered versatile due to its ability to be utilized in designing customized apps that are fast and lightweight. Programming languages are designed to shape out a developer's future, they are used to make different apps, wonderful websites, and several software products you see around you. Consider the big giants like Amazon, Google, and the rest other major industry players are using Java in a mature manner. Becoming expert Java developers puts individuals in the front line within the industry. Moreover, many companies are trying to find developers proficient in Java. Let's talk about some popularity

Spring Core Interview Questions

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If you are preparing for a job interview in the field of Java development, it is essential to have a strong insight on Spring Core. Even being a Java developer, you must have Spring Boot knowledge to get shortlisted for a job interview. Furthermore, while working with a Spring Boot project, you must be using Spring Core Concepts. This article on 'Spring Core Interview Questions' will also benefit you as a Spring Core Concept refresher. Spring is one of the most popular Java frameworks, widely used in developing enterprise-level applications. The Spring Core module is the foundation of the Spring Framework, providing essential features such as dependency injection and inversion of control. In this article, we'll cover some essential Spring Core

Spring Scheduling Cron Expression

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When we have a requirement where we need to run a task/job repeatedly after a particular time interval, we achieve this functionality by implementing Scheduling. For Java developers, Spring Framework makes it simple by offering Spring Scheduler. Moreover, Cron Expressions are the most widely used approach to achieve scheduling. Cron Expressions are very popular in Unix/Linux OS for scheduling. Spring framework also incorporates the same concept internally. Spring Framework offers us an API where we can utilize Cron expression to get the task scheduled. This article about 'Spring Scheduling Cron Expression' includes all the new improvements in Cron Expressions in Spring 5.3. However, there are some other approaches to get our task scheduled using Spring/Spring Boot, but here in this article

What is Spring Bean

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Every Java Developer come across the terms Java Bean, Bean Class & Spring Bean. Most of the times people think that all are the same and used interchangeably. Even sometimes people consider them as a simple POJO class. In fact, these all have some logical differences. There are some set of standards & guidelines provided by Programmers that make them different from each other. In this article 'What is Spring Bean?', we will start with the fundamentals which are also essential to know, then we will discuss the Spring Bean with examples. Please note that if you define a class that doesn't follow the guidelines of being a Spring Bean, the Java compiler will never complain you. In contrast, the Spring

New Features In Spring Framework 6

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Spring Framework 6, released on November 2022, is the major version change and containing many upgraded features and changes into the Spring development environment. On the other hand, Spring Boot 3 also released on November 2022, is based on Spring Framework 6, also changes a lot of things. We need to know about the changes in new versions in order to make smooth development of an application in the future. In this article, we will discuss about ‘New Features in Spring Framework 6’. Spring Boot 3.0 is also the first Spring Boot GA release to support Spring Framework 6.0. As a developer, we need to be aware of these updates in order to work smoothly with Spring Framework. Undoubtedly, one of

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