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Let's learn about Spring Boot via these 152 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the /Learn or LearnRepo.com to find the most read blog posts about any technology.
Spring Boot is an open-source Java-based framework used to create stand-alone, production-grade Spring applications with minimal configuration. It simplifies the development of robust and scalable enterprise-level software.
For Java developers, last, a couple of years has brought plentiful changes and posed a tough challenge with keeping up-to-date with new Java version every 6 months, and many release of popular frameworks like Spring 5, Spring Security 5, and Spring Boot 2 etc.
Spring profiles are very useful concept in framework but there are some cothas to catch for mastering it. Article about how to survive in multi profile set-up.
A little backstory on how this started. My team needed to save some on money on the infrastructure we were requesting and since most of the load for the application we wanted to build would be on the client-side rather than the service side. We decided to see if we could combine a Spring Application with a React app and serve up a single war file.
Authentication and authorization are two important concepts in security. This post will teach you how to secure your REST API endpoints with Spring Security.
Hello guys, I have awesome news to share with you. Pluralsight has announced that all their 7000+ expert-led courses are free for one-month, April 2020, to support people staying at home due to COVID-19.
In this article, I want to teach you how to connect Java Spring Boot 2 with Elasticsearch. We’ll learn how to create an API that’ll call Elasticsearch to produ
Since being forked from MySQL back in 2009, MariaDB has become one of the most popular databases of choice for developers over the past decade. While many technologists have likely gravitated to it as a solution due to its open source roots and that it's rooted in the relational database world, that really only begins to scratch the surface of what MariaDB has to offer.
It’s been around 6 months since we adopted Kotlin for our backend services at the company I currently work at. We’ve been migrating an existing java spring boot service to Kotlin.
According to Wikipedia, Software profiling is a form of dynamic program analysis that measures, for example, the space (memory) or time complexity of a program, the usage of particular instructions, or the frequency and duration of function calls.
Hello folks, Spring Boot is one of the top Java frameworks to learn in 2020,
but as a full stack Java developer, just learning Spring Boot is not enough, you also need to learn all the technologies which make the eco-system like containers, could, testing spring Boot application, advanced Spring Boot features like Actuator, creating Microservices using Spring Boot, deploying Spring Boot applications on cloud platforms like AWS, Azure, and GCP.
GraphQL is revolutionising the way developers build APIs. It lets you query precisely what you want. Nothing more, nothing less! It also gives you the flexibility to query related objects in a single round trip, unlike the REST APIs.
Java Frameworks are the pre-written code body through which you are enabled to add your own code. There are numerous Java frameworks that have different leading features, on the basis of the same here, I will discuss Top 10 JAVA Frameworks For Web App Development 2020-2021.
Today, microservices architecture is a common approach to building a system. In this article, I will show you how to build microservices using Java and Spring.
Versioning database changes is as important as versioning source code. By using a database migration tool we can safely manage how the database evolves, instead of running a bunch of non versioned loose SQL files. In some frameworks like Ruby On Rails, database versioning occurs along the development. But when it comes to Java world, I don't see it happening so often.
Learn the why, what, and how of creating custom annotations in spring boot and the different scenarios where you can and cannot use custom annotations.
Hibernate and the issue of duplicate entities, a well known problem. However do you know the origin of this behaviour? Let's dive under the hood of Hibernate!
There's a reason Java maintained popularity for such a long period of time. The language's conservative, slow and steady approach is the key to its success.
Whether or not you've been actively developing within one of the JVM languages or not, you've likely at least heard of the concept of reactive programming by now. If not, I certainly encourage you to do a little research into the whole idea of declarative programming using data streams.
Microservices are a part of cloud computing which will become more important over time. This is how to create microservices using Spring Boot for the process.
In this article we will learn about how to create docker or OCI complaint images without installing any docker client or using Dockerfile for our SpringBoot application. We will be doing all of this with help of Jib.
This article explores the implementation of multi-tenant authentication using Keycloak in a SaaS environment, specifically for an Angular and Spring Boot stack.
Microservices is an architectural style used for creating applications made of individual fine-grained services, which encourages functional decoupling, re-usability, and scalability. This is becoming increasingly popular compared to the monolithic applications we generally build. Monoliths generally lack the flexibility given by microservices in separating out functional components to have their own independent development teams, lifecycles, and deployment.
Part 1 of this series provides detailed description on GraphQL server and how to start setting it up using springboot, Schema Definition Language (SDL) and its types.
In this article, we will discuss some important 10 interview questions in Spring Boot. These the entire question is trending with building strong java career in the job market.
A distributed architecture brings in several challenges when it comes to operability and monitoring. Here, one may be dealing with tens if not hundreds of microservices, each of which may or may not have been built by the same team.
Explore how Camunda empowers chatbots to handle business conversations. Through BPMN, create conversation blueprints and use Camunda for a seamless workflow.
SpringAI and LangChain4j are redefining what’s possible for Java developers in the LLM era. This article compares them head-to-head across real code, architectu
It's impossible to write OOP code with Spring. From its core it promotes the use of singletons and anemic data structures a.k.a. data "objects" a.k.a. DTO. This fuels procedural programming and kills OOP.
This article explores different caching strategies—such as in-memory, distributed, and hybrid approaches—for optimizing performance in microservices or monolith
URL shortener Java and Spring boot tutorial. A step-by-step guide that is easy to follow. This is a common interview task that should be understood by devs.
This guide aims to help you create from scratch a CRUD RESTful API with Spring Boot. We'll create a User entity and develop its endpoints accordingly with a Rest Controller and a Service class.
A practical example of the gains and pitfalls in migrating existing Sprint Boot logic to Vert.x with considerations to the experience and process involved.
ORM frameworks like Hibernate and other JPA implementors can significantly simplify development of persistence layer. Introducing entity abstraction level helps to model clean business domain and to hide underlying SQL statements used to achieve persistence of the domain. Such approach is especially useful in large domains, since developer no longer needs to create and maintain all SQL statements used by application.
In this multi-part series, I'll transform a new application into a multi-tenant experience running in the Heroku ecosystem. This article focuses on the object model, design, architecture, and security.
Ways for Clean Shutdown of Spring Boot Applications, whether in Developer mode or in Production Mode. Code Samples are provided Inline and via Git Repo.
Dashkivsky Roman, 5 years in Java. An avid gamer. Successfully balances work and volunteering. How to implement simple task using WebSockets and not burn out
After paying an Uber, John Vester decided to dig into the Marqeta API used for payment processing. Hours later, he created a fully functional Payment Service.
This article offers an approach to writing integration tests for Kafka-based applications that focuses on interaction specification, making tests more readable
Spring AI is a lightweight, developer-friendly framework from the Spring team that bridges the gap between modern AI tools and the Spring Boot ecosystem.
Java spring boot developers tutorial- Tips to use partitioning strategies in your microservices application and use of various Deployment Patterns & Strategies.
Learn how to integrate FlywayDB to Spring boot application to help with adding database migration functionality to your Spring Boot project using Flyway.
In part 1 and part 2, the setting up and testing of GraphQL APIs was covered. In this article, the focus is on the querying of the graph DB, which is Neo4j in this case. For querying, the Neo4j OGM library and Spring Data’s Neo4jRepository will be used.
The thing with Java and Spring Boot is that it is slightly harder to learn them; once you have learned and spent some time with them, it is a breeze to use.
Time to market can make or break any idea or solution. Check out how quickly a RESTful API can be created by leveraging ChatGPT, Spring Boot, Gradle, and Heroku
Spring-based suites are utilized to build a log anomaly detection system. This is a three-part series, with the foundation components covered in the first part.
Jinq is a library that provides a convenient and natural way to build typesafe database queries in Java. It is easy to use and does not require code generation
By integrating Redis caching into your Spring Boot application, you offload database pressure, and you enhance user experience through faster responses.
Spring MVC is a framework that is used to build web applications. It follows the Model View Controller pattern. DispatcherServlet is the servlet that controls the flow of a request from view to controller. Since Spring 3.1, the Servlet 3 API is supported and we no longer need web.xml for configuring DispatcherServlet – instead, it is configured programmatically.
Build reliable Spring Boot APIs with centralized exception handling using @ControllerAdvice. Learn how to create clean, consistent, and scalable error responses
As part of my Fitness application journey, the CloudAMQP service is introduced into the Heroku-based service in order to process invoices asynchronously.
For the past couple of months I've been working on a data management tool I'm calling OpenDMP. As I've started adding more features, I've run into a scalability issue a bit sooner than I had expected and so I decided to tackle what is hopefully the biggest remaining piece of the project's system architecture.
By focusing on the core functionality of detection, we ensure that potential problems are flagged as soon as they arise, which allows for immediate intervention
[TL;DR; Get started using Dgraph's Slash GraphQL product and connect to a Spring Boot application which will act as a simple RESTful recommendation service.]
Standard schema validation allows delegating the validation to a third-party library and being done with it. Without one, we must fall back to manual validation
Recently I had the need to change certain classes -from external dependencies- loaded on a Spring Boot application. All this happened in a very restrictive environment, where I was not allowed to use other libraries or tweak the JRE, it was only possible to modify the fat JAR and environment variables or system properties.
Microservices is an architectural style used for creating applications made of individual fine-grained services, which encourages functional decoupling, re-usability, and scalability. This is becoming increasingly popular compared to the monolithic applications we generally build. Monoliths generally lack the flexibility given by microservices in separating out functional components to have their own independent development teams, lifecycles, and deployment.
