Java Design Patterns Book Design Patterns java by devs5003 - March 30, 2023December 5, 20253 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
Autowiring in Spring java Spring Spring Boot Spring Core by devs5003 - March 27, 2023January 22, 20260 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
Predefined Functional Interfaces Java 8 Core Java java by devs5003 - March 16, 2023May 1, 20250 I would consider that we have a clear understating of Functional Interfaces from the Topic "The Functional Interfaces in Java 8". We have also covered other topics related to it like Why it is introduced, its benefits & when to use it. However, some commonly used Predefined Functional Interfaces are listed in the attached table. Moreover, we will discuss all of them in detail in below sections. What are Predefined Functional Interfaces? Benefits of Using them? Java 8 has provided some Predefined (Built-in) Functional Interfaces to make our programming easier. Moreover, Predefined Functional Interfaces include most commonly used methods which are available to a programmer by default. In our day to day programming many times we come across re-occurring functionalities to be
The Role of Coding in Child Development Core Java java by devs5003 - March 9, 2023November 7, 20230 With each development, the world continues to become more technology-driven. This progress drives the need for people with excellent technical skills like coding. There are a lot of working adults showing interest in this expertise and have since studied it to gain a skill set fit for the modern world. However, adults are not the only ones preparing for a highly technological future. Children are also learning how to code as it now becomes an invaluable skill. That’s because working knowledge in coding fosters technical abilities that can be proven useful once they venture into the real world. However, learning how to code doesn’t only help kids become future-ready. This skill also supports them in honing other crucial areas for development. This article
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