MongoTemplate Spring Boot Example MongoDB java Spring Boot by devs5003 - March 7, 2023November 11, 20252 In continuation to series of tutorials on Spring Boot with MongoDB, we have already discussed various examples using MongoRepository interface. Now in this article we are going to discuss a different way of accessing data from MongoDB. This is nothing but MongoTemplate. MongoTemplate is defined by Spring Data MongoDB, used to perform DB operations without using any repository interface. If you are reading this article in context of Spring Boot, you must have heard about the term JDBCTemplate. Like JDBCTemplate, MongoTemplate is a class which provides us different handy methods to work on various DB operations. However, we generally use it to retrieve data from MongoDB using different Criteria queries. Hence, our topic here is to discuss is 'MongoTemplate Spring Boot
Spring Core Interview Questions java Spring Spring Boot Spring Core by devs5003 - February 28, 2023January 22, 20260 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
Java Stream API Interview Questions Core Java java Java 8 Java MCQ MCQ Stream API by devs5003 - February 25, 2023April 2, 20260 If you are a java developer, you should have a solid understanding of Java 8 features, especially in the programming part. According to the observations of various corporate trainers in Java, developers comparatively take much time to understand the Java Stream API concepts. They also recommend that developers need much coding practice on Java Stream API concepts rather than going through theoretical concepts again & again. In this article, we will be doing coding practice in the form of MCQs that are frequently asked in the interviews. Undoubtedly, you must also get benefit in the interviews from these Java Stream API Interview Questions. So, whether you are a beginner or a professional, solve these Java Stream API Interview Questions to learn
Java 8 Interview Questions Core Java java Java 8 by devs5003 - February 22, 2023May 1, 20250 If you are a Java developer looking to crack your next job interview, you'll need to have a solid understanding of Java 8. To help you prepare, we have put together a brief guide packed with the most frequently asked Java 8 interview questions and their answers. From functional interfaces to lambdas and streams, we have included all the most important topics you will need to know to impress your interviewer and land your ideal job. So, whether you are a beginner or a professional, read on to learn or refresh your concepts of Java 8 before appearing in the interview. Who can get benefitted from these questions? 1) Job seekers: If you are looking for a job as a Java developer
How to implement Security in Spring Boot Project? Spring Boot java Spring Spring Boot 3 by devs5003 - February 19, 2023November 18, 20255 Now a days, almost every client demands for implementation of powerful security feature in real time application. Demand of security feature is very valid to maintain confidentiality, integrity and availability. There are many types of security in the real world, but we as a developer will focus on the Application/Software Security. Furthermore, in Application Security, our job is to ensure basically two things. First, only valid user can access the application. Second, If the user is valid, he/she can access only permitted data/information in that application. I consider, there is nothing to explain more about them as you must already be aware of these two terminologies i.e. Authentication & Authorization. You might already have guessed what we will discuss in our
MCQ on Java 8 Features Core Java java Java 8 Java MCQ MCQ by devs5003 - February 15, 2023May 1, 20251 Details on this page are a little bit different than at other pages. Rather than going through some theoretical or practical way of learning Java 8 Features, we will test our understanding of the same via solving multiple choice questions (MCQs). In this page, we will talk about ‘MCQ on Java 8 Features’. Answer & Explanation of each question are given at the bottom of this page. You will find these questions for the first time on the web as they are created after putting a strong effort. You may also find these questions in some other websites/blogs after publishing this page. Someone who likes the questions & interested in copying the questions can just provide a reference of this page as
What is Bean in Spring | Spring Bean Explained java Spring Spring Boot Spring Core by devs5003 - January 10, 2023November 15, 20250 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 is some set of standards & guidelines provided by Programmers that makes them different from each other. In this article 'What is Bean in Spring?', 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
New Features In Spring Framework 6 java Spring Spring Boot Spring Boot 3 Spring Core by devs5003 - December 31, 2022October 11, 20230 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, which is based on the Spring Framework 6.0. As a developer, we need to be aware of these updates in order to work smoothly with Spring Framework.
How to write REST Consumer API using Spring Boot RestTemplate java RestTemplate Spring Spring Boot by devs5003 - December 30, 2022July 2, 20250 Apart from three well known layers i.e. Presentation Layer, Service Layer and Data Layer, we may also have an Integration Layer. This layer generally works with the web services concept and connects two different applications to exchange data between them. One application refers to producer/provider, whereas other refers to consumers. However, we have already gone through the REST Producer API in another article where we had developed different operations to produce REST API. Now, we must have a question in mind 'How to write REST Consumer API using Spring Boot RestTemplate'. We had also discussed a bit about RestTemplate( The Spring REST Client). In fact, RestTemplate provides us Consumer methods to consume services provided by producer applications. We can even have
JavaScript vs Angular JS Angular java JavaScript by devs5003 - December 3, 2022January 19, 20241 Undoubtedly, JavaScript is one of the most popular programming languages in the world. Millions of developers use JavaScript to create web applications and even mobile applications. But what about Angular JS? Angular JS is a JavaScript framework that was created by Google. We primarily use it for developing front-end and creating single-page web applications. Therefore, a question comes in the mind, which one should we use? JavaScript or Angular JS? In this article 'JavaScript vs Angular JS', we will compare these two technologies and see their differences. Once you go through the complete article, you will also be able to make a decision which one to use as per your requirement. Needless to say, both technologies are very popular in terms