Spring MCQ and Answers Explained

by devs5003 - May 25, 2023May 26, 20230

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 ?

by devs5003 - May 21, 2023May 24, 20230

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

Top 20 Collection Framework In Java Interview Questions

by devs5003 - May 20, 2023May 22, 20230

As a good Java developer, it is very important to have a thorough knowledge of different Java collections, their specifications and uniqueness. It helps in selecting the right data structure for a particular scenario. In any java interview almost every interviewer checks these skills in the candidate. The reason behind this is that an industry level live project can't be developed without using Java Collections. Moreover, selecting a right collection in a particular scenario becomes very important, because the wrong selection may involve in performance implications in the long term. In this article, we will discuss 'Top 20 Collection Framework In Java Interview Questions' and their answers. Additionally, interviewers often evaluate a candidate's proficiency to analyze trade-offs between different collections and

Record In Java With Examples

by devs5003 - April 28, 2023May 2, 20230

As Oracle Community is continuously providing the new features in every new release, it becomes essential to stay updated as soon as possible. Record In Java is one of the greatest feature that was first introduced in Java 14 as a preview feature, and finalized in Java 17. It has added a new keyword 'record' in the list of Java keywords. Some people in the industry have already started using it proactively to reduce a huge amount of boilerplate code. If you are using any traditional approach to transfer data from one layer to another without changing its value in your project, it is advisable that you can start using record in order to reduce a big amount of boilerplate code.

Spring WebFlux CRUD Example

by devs5003 - April 25, 2023April 26, 20230

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

15 Frequently Asked Data Scientist Interview Questions

by devs5003 - April 20, 2023May 13, 20230

Data science is used in a wide range of industries, including healthcare, finance, marketing, social media, and e-commerce, among others. It has become an essential part of modern businesses and organizations, as they seek to gain a competitive advantage and improve their decision-making processes by influencing the power of data. If you are preparing for a data scientist interview, reading Data Scientist Interview Questions can be highly helpful. The article provides a list of 15 frequently asked data scientist interview questions that cover various aspects of the data science field. By reading and studying these questions, you can gain a better understanding of what to expect during a data scientist interview and prepare yourself accordingly. Moreover, the article provides detailed answers

Java 17 Features

by devs5003 - April 16, 2023April 21, 20230

Undoubtedly, the demand of Java 17 features became crucial after the release of Spring Boot 3.0. Needless to say, the use of Java 17 has become mandatory since Spring Boot 3.0. It also means that every Java developer should be aware of the new changes introduced in Java 17. Java 17 comes with several new features and enhancements that aim to improve developer productivity and program efficiency. In this article, we will explore some of the most significant Java 17 features, with code examples to help you understand how to use them effectively. Java 17 is an LTS (Long-term support) release of the Java programming language. As it is an LTS version, it will receive prolonged support and security updates for

How To Resolve Common Java Exceptions

by devs5003 - April 12, 2023April 24, 20230

As with any programming language, developers may encounter errors or exceptions while writing code. These exceptions can be disappointing to deal with, but having a bit of knowledge and troubleshooting, most issues can be resolved quickly and easily. In this article, we will talk about How to resolve common Java exceptions that developers may face. We will go through step-by-step solutions to fix them. If you practice applying these solutions, you can improve your Java programming skills, become a good problem resolver, and a successful developer. So let's start and learn how to resolve common Java exceptions! What are the general Guidelines To avoid Java Exceptions? In order to avoid any exception, it is important to understand and follow best practices and

Java Design Patterns Book

by devs5003 - March 30, 20231

In this article, we will look at some fundamental concepts of Java Design Pattern and then most popular Java Design Patterns Book. Keep in mind that there is always a possibility to improve your software. If you have a good catch on Java Design Patterns, you will always be able to find a possibility to improve your software. Let's first talk about the complications we may face if we haven't ever read any Java Design Patterns book. If I ask you to list down all the Design Patterns used in your current project module, would you be able to accomplish it? If yes, you have read a book and you are here to sharpen your skills in Design Patterns. Let's assume