Spring Boot

Spring Tutorials Spring is one of the most popular open source framework for developing enterprise applications. It provides comprehensive infrastructure support for developing Java enterprise level applications. Spring also enables the developer to create high performing, easily testable, reusable and loose coupling enterprise

In this Spring Boot JPA Tutorial you learn learn about Spring Data JPA allowing to build scalable backend applications backed by any relational database. Spr...

When does the course start and finish? The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish. How long do I have access to the course? How does lifetime access sound?

Spring Boot is an amazing framework for building java applications. It's awesome for enterprise and using it on your own projects. ➡️Source code - https://gi...

I this video, I am going to talk about why spring boot is so popular?There could be many reasons why Spring boot is very popular, but in my opinion, the foll...

Spring Tutorials Spring is one of the most popular open source framework for developing enterprise applications. It provides comprehensive infrastructure support for developing Java enterprise level applications. Spring also enables the developer to create high performing, easily testable, reusable and loose coupling enterprise

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Videos about Spring, Java, Kotlin and Cloud. - improve your Java & Spring programming skills - learn how to use Spring and it's components - stay in touch with changes in Spring ecosystem - get to know people from community

This guide walks you through the process of creating a "Hello, World" RESTful web service with Spring.

Beginner friendly tutorial on how to build first Spring Boot application exposing a RESTful endpoint. We are following together an official Spring guide http...

Write and deploy full stack apps backed up by PostgresDB

Spring Boot is an open source Java based framework used to spring boot microservices. It is developed by Pivotal Team and is used to build stand-alone and pr...

This guide walks you through the process of creating a "Hello, World" RESTful web service with Spring.

Spring Tutorials Spring is one of the most popular open source framework for developing enterprise applications. It provides comprehensive infrastructure support for developing Java enterprise level applications. Spring also enables the developer to create high performing, easily testable, reusable and loose coupling enterprise

Initializr generates spring boot project with just what you need to start quickly!

Dividing a codebase into different levels reduces the effort required for maintenance since each level can be managed independently from others. This simplifies the way the software...

Here is a list of some basic Git commands to get you going with Git. For more detail, check out the Atlassian Git Tutorials for a visual introduction to Git commands and workflows, including examples. Tell Git who you are Configure the author name and email address to be used with your commits.

So far, we got the user to rate the movies and then showed it on the Watchlist page. But our client Tom has come up with a new idea! He wants to take things a step further, like seeing the rating pulled from an online database.

In this article, we will discuss how to create three-layer architecture in Spring MVC web applications. In this article, we will discuss: 1. Three Tier (Three Layer) Architecture 2. Three Tier (Three Layer) Architecture VS MVC Pattern 3. How to use Three-layer architecture in Spring MVC web applications.

Spring Boot JPA is a Java specification for managing relational data in Java applications. It allows us to access and persist data between Java object/ class and relational database. JPA follows Object-Relation Mapping (ORM). It is a set of interfaces. It also provides a runtime EntityManager API for processing queries and transactions on the objects against the database.

Referencing Issue #621 - there is an issue where Boot has made the decision that all tables in an embedded database should be dropped on startup. I don't think Boot should default to doing that -- for one thing an embedded db is typicall...

Hmmm you can find lot of examples for configuring spring framework.

When a restful web service call is made to a Spring Boot MVC application, It shows error " Whitelabel Error Page - There was an unexpected error (type=Internal Server Error, status=500). " in the browser. The Internal Server Error is a popular error in spring boot application if a server side error occurs and is not in position to server the request.

Tutorials, guides, howtos for Java Programming: Java core, Java SE, Java EE, Java Collections, JDBC, Java File IO, Java Servlet, JavaServer Pages (JSP), Spring framework, Spring Boot, Hibernate framework, WebServices, Eclipse IDE, NetBeans IDE, Tomcat server,...

JDBC mySql java connector - https://mvnrepository.com/artifact/mysql/mysql-connector-javaCore Hibernate - https://mvnrepository.com/artifact/org.hibernate/hi...

Tutorials, guides, howtos for Java Programming: Java core, Java SE, Java EE, Java Collections, JDBC, Java File IO, Java Servlet, JavaServer Pages (JSP), Spring framework, Spring Boot, Hibernate framework, WebServices, Eclipse IDE, NetBeans IDE, Tomcat server,...

Tutorials about Hibernate and JPA

Learn how to create full end-to-end Spring applications using Spring Boot.

Access the full course here: https://javabrains.io/courses/spring_bootquickstart Welcome to the course 'Spring Boot Quick Start'!

Well the question pretty much says everything. Using JPARepository how do I update an entity? JPARepository has only a save method, which does not tell me if it's create or update actually.

In this short tutorial, we'll learn how to create update queries with the Spring Data JPA @Query annotation. We'll achieve this by using the @Modifying annotation. First, we'll refresh our memory and see how to make queries using Spring Data JPA. After that, we'll deep dive into the use of @Query and @Modifying annotations.

Spring Data's CrudRespository#save is undoubtedly simple, but one feature could be a drawback: It updates every column in the table. Such are the semantics of the U in CRUD, but what if we want to do a PATCH instead? In this tutorial, we're going to cover techniques and approaches to performing a partial instead of a full update.

In this Java Hibernate & JPA tutorial, you will learn how to code a simple database program using Hibernate framework with JPA annotations.

In this tutorial, we'll focus on one of the main annotations in Spring MVC: @RequestMapping. Simply put, the annotation is used to map web requests to Spring Controller methods. Let's start with a simple example: mapping an HTTP request to a method using some basic criteria.

This tutorial shows how to set up Spring with JPA, using Hibernate as a persistence provider. For a step by step introduction about setting up the Spring context using Java-based configuration and the basic Maven pom for the project, see this article.

This article will focus on introducing Spring Data JPA into a Spring project and fully configuring the persistence layer. For a step by step introduction about setting up the Spring context using Java-based configuration and the basic Maven pom for the project, see this article.

In Spring MVC the @RequestBody annotation indicates a method parameter should be bound to a body of the request. @RequestBody parameter can treated as any other parameter in a @RequestMapping method and therefore it can also be validated by a standard validation mechanism.

In this tutorial we are doing CRUD operations with Java Spring Boot. I will be explaining about JPA and how to use H2 in memory database.

In this tutorials, we will see how to integrate Spring Boot with data JPA as Spring Boot JPA Example. Spring Boot JPA Integration : Here we are going to use the below technologies: Spring Boot 1.5.1.RELEASE Spring Data JPA 1.11.0.RELEASE Java 8 Mysql STS Spring Boot JPA

Learn how to develop CRUD operations of a Java website based Spring Boot, with Spring MVC for the controller layer, Spring Data JPA for the data access layer...

systemctl daemon-reload Installation de Maildev Version de l'OS Centos 7.3 Version de Maildev - Pré-requis Centos, Epel-release, Nodejs, Si authent par https, installer Apache Installer le dépôt epel $ sudo yum install epel-release Installer le paquet nodejs $ sudo yum install nodejs Penser a arrêter postfix $ sudo systemctl stop postfix $ [...]

What is Spring Security really all about? Learn what Spring Security is and what it can do. Understand what application security means and why you'd choose t...

This article is going to focus on Login with Spring Security. We're going to build on top of the simple previous Spring MVC example, as that's a necessary part of setting up the web application along with the login mechanism.

In this tutorial, we will learn step by step how to create a User Account Registration and Login module using Spring Boot, Spring Security, Spring Data JPA, Hibernate, H2, JSP, and Bootstrap. Learn Spring Boot in-depth on Spring Boot Tutorial You can download the source code of this tutorial from my GitHub repository (link provided at the end of this tutorial).

In continuation to the first part of the series on Spring Boot v2.0, this is the second and concluding part where we will go through the application project structure along with some important snippets and best practices which should be considered while doing Spring Boot based development.

This guide is a primer for Spring Security, offering insight into the design and basic building blocks of the framework. We cover only the very basics of application security. However, in doing so, we can clear up some of the confusion experienced by developers who use Spring Security.

When building software, it's common for development teams to define a set of guidelines and code conventions that are considered best practices. These are practices that are generally documented and communicated to the entire development team that has accepted them. However, during development, developers can violate these guidelines which are discovered during code reviews or with code quality checking tools.

We are going to discuss an architecture in which one microservice will act as a gateway service (ZUUL ) which does central authentication, redirect an incoming request to other microservices. The main advantage of this architecture is you can easily add multiple microservices to the system and all authentication, authorization will be taken care from a central unit.

In this tutorial, we will look at various ways that you can add a login feature using Spring Boot 2.1. First, we'll build a form-based authentication page. Then, we'll personalize the auto-generated form revoking some default controllers and templates. And lastly, you will use OAuth 2.0 for Single Sign-On (SSO).

Workshop recorded live on Jan 26, 2019. This course is still in progress.In this video, we'll introduce and look at the agenda we'll be covering in this cour...

Of course we won't be able to develop the whole features in Instagram but we will pick some of basic features, we will implement the following: A user can register a new account. A user can login to his account. A user can view his profile. A user can follow other users.

Contribute to ekim197711/springboot-mapstruct-lombok-maven development by creating an account on GitHub.

In this video, you'll learn how to configure Spring Security in order to implement authorization. We'll take a Spring Boot application with a couple of APIs,...

In this tutorial, we'll understand the concept of Dependency Injection.

IntelliJ IDEA supports a fully-functional integration with Maven that helps you automate your building process. You can easily create a new Maven project, open and sync an existing one, add a Maven support to any existing IntelliJ IDEA project, configure and manage a multi-module project.

We are going to discuss an architecture in which one microservice will act as a gateway service (ZUUL ) which does central authentication, redirect an incoming request to other microservices. The main advantage of this architecture is you can easily add multiple microservices to the system and all authentication, authorization will be taken care from a central unit.

This part of the reference documentation covers all the technologies that are absolutely integral to the Spring Framework. Foremost amongst these is the Spring Framework's Inversion of Control (IoC) container. A thorough treatment of the Spring Framework's IoC container is closely followed by comprehensive coverage of Spring's Aspect-Oriented Programming (AOP) technologies.

error code: Seeing the error message means that spring cannot find the bean, that is, it cannot be scanned There are two processing methods Ensure that the springboot main startup class is at the same level or superior packge of all beans Specify scan package with scanBasePackge="org.minp" Example The project is divided into three modules, mapper, service, and web, each managed by maven dao service web scanBasePackge can add multiple packages for scanning scanBasePackge={"org.minp.vhr1","org.minp.vhr2","org.minp.vhr3"}

I've written a handful of posts about using ModelMapper in Spring Boot applications. When I'm working on something, I generally try to use the newest, stable version. It recently dawned on me that the version for the Model Mapper starter was never changing.

You can configure IntelliJ IDEA to process custom annotations during the compilation time. The process of generating code at compile time to handle the annotations is called Annotation Processing. The annotation processor can validate, generate, and modify your code based on the annotations, which help you significantly reduce the amount of code you need to write.

In this article, we'll explore the use of MapStruct which is, simply put, a Java Bean mapper. This API contains functions that automatically map between two Java Beans. With MapStruct we only need to create the interface, and the library will automatically create a concrete implementation during compile time.

Java is a great language but it sometimes gets too verbose for things you have to do in your code for common tasks or compliancy with some framework practices. These do very often bring no real value to the business side of your programs - and this is where Lombok is here to make your life happier and yourself more productive.

@Data is a convenient shortcut annotation that bundles the features of , @EqualsAndHashCode , and @RequiredArgsConstructor together: In other words, @Data generates all the boilerplate that is normally associated with simple POJOs (Plain Old Java Objects) and beans: getters for all fields, setters for all non-final fields, and appropriate toString, equals and hashCode implementations that involve the fields of the class, and a constructor that initializes all final fields, as well as all non-final fields with no initializer that have been marked with @NonNull, in order to ensure the field is never null.

In this quick tutorial, we'll focus on the differences between and annotations in Spring. Validating users' input is a common functionality in most of our applications. In the Java Ecosystem, we specifically use the Java Standard Bean Validation API to support this. Moreover, this is also well integrated with Spring from version 4.0 onwards.

In this article, we'll explore the use of MapStruct which is, simply put, a Java Bean mapper. This API contains functions that automatically map between two Java Beans. With MapStruct we only need to create the interface, and the library will automatically create a concrete implementation during compile time.

In this tutorial, we'll handle the conversions that need to happen between the internal entities of a Spring application and the external DTOs (Data Transfer Objects) that are published back to the client. Let's start by introducing the main library that we're going to use to perform this entity-DTO conversion - ModelMapper .

Building Spring Boot Rest Web Services might become cumbersome, especially when domain model objects need to be converted in many different DTOs (Data Transfer Object) and vice versa. Writing mapping manually is boring and involves boilerplate code. Is it possible to avoid it? Yes, it is! Thanks to MapStruct!

MapStruct is a one of most powerful library to mapping in Java Let's say we have Customer.java and CustomerDTO.java Customer.java CustomerDTO.java To integrate MapStruct with Spring Boot, there are few steps to do. Step 1 - Add dependency in pom.xml Step 2 - Create Mapper for our model (eg.

Start a free plan of CircleCI --- http://go.thoughtleaders.io/1419920191121Try my coffee at First Supply Coffee --- https://firstsupplycoffee.comOne tutorial...

This channel contains tutorials and demonstrations within programming and tech in general. I have worked with programming and technology for the last 30 years and I enjoy spreading the knowledge. Feel free to leave comments about questions or how to improve this channel. Thank you for watching my videos.

As Microservice Architecture projects gained popularity the last years, a possibility to work on such project logically appeared in our team. Knowing the process of building microservices becomes a must. In the following lines I'm going to summarize the knowledge I got through the last few months of research and development of microservice projects.

One of the traditional approaches for communicating between microservices is through their REST APIs. However, as your system evolves and the number of microservices grows, communication becomes more complex, and the architecture might start resembling our old friend the spaghetti anti-pattern, with services depending on each other or tightly coupled, slowing down development teams. This model can exhibit low latency but only works if services are made highly available.

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When you first get started with using Springboot microservices in a distributed architecture, things are remarkably easy. But it won't take long for a produc...

The rise of Apache Kafka as the de-facto standard for event streaming has coincided with the rise of Kubernetes for cloud-native applications. While Kubernet...

This session dives deep into the architecture of Apache Kafka and how to use it in practice. Kafka offers a new take on publish/subscribe messaging that is v...

Many developers have already wrapped their minds around the basic architecture and APIs of Kafka as a message queue and a streaming platform. But can they ke...

In the modern era, software is commonly delivered as a service: called web apps, or software-as-a-service.

Enjoy! :-)Thank you for commenting and asking questions.Discord server - Where we discuss programming languages and tech - Please use the right channel to yo...

The whole idea of the docker series is to make a fullstack application with all components (frontend, backend, database) being in separate containers and con...

Initializr generates spring boot project with just what you need to start quickly!

Initializr generates spring boot project with just what you need to start quickly!

Learn how to create full end-to-end Spring applications using Spring Boot.

Access the full course here: https://javabrains.io/courses/spring_bootquickstart Welcome to the course 'Spring Boot Quick Start'!

In this tutorial, we will learn step by step how to create a User Account Registration and Login module using Spring Boot, Spring Security, Spring Data JPA, Hibernate, H2, JSP, and Bootstrap. Learn Spring Boot in-depth on Spring Boot Tutorial You can download the source code of this tutorial from my GitHub repository (link provided at the end of this tutorial).

This guide is a primer for Spring Security, offering insight into the design and basic building blocks of the framework. We cover only the very basics of application security. However, in doing so, we can clear up some of the confusion experienced by developers who use Spring Security.

Start a free plan of CircleCI --- http://go.thoughtleaders.io/1419920191121Try my coffee at First Supply Coffee --- https://firstsupplycoffee.comOne tutorial...

This channel contains tutorials and demonstrations within programming and tech in general. I have worked with programming and technology for the last 30 years and I enjoy spreading the knowledge. Feel free to leave comments about questions or how to improve this channel. Thank you for watching my videos.

Instagram Clone - Cloning Instagram for learning purpose https://medium.com/@amrkhaled_47016/microservices-in-practice-developing-instagram-clone-introduction-4f6d78abdfa1 We are not there yet, we still outside Kubernetes Microservices - Java - Spring boot - Spring Cloud - JWT authentication - MongoDB - Cassandra - Neo4j - Kafka - ReactJs - Ant Design Instagram is well known for everybody but I'm cloning the basic features of Instagram and other social networks.