Develop Production Like REST API using Spring Boot | A Complete Development Tutorial
Today we’ll see how to easily create a Production like Spring Boot REST API service.
If you missed the introduction video on Spring Boot, I recommend watching it, there’s a link in the top right corner of your screen.
In this video, we’ll cover these steps to create a Spring Boot REST API:
First we'll Set Up Spring Boot Project using Spring Initializer
and Add the Required Dependencies
Then we'll Create a Controller to define rest endpoints
We'll also create Service and Data Access Layer as well.
Then, we'll show you how to:
Build and Package the Application
Run the Application
Test the REST API
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0:00 Introduction
0:18Agenda
0:46 Project Setup (Spring Initializer)
2:18 Import Project in IntelliJ
3:26 Test Run
5:09 3-Layered Architecture
5:58 Data Access Layer Implementation
13:35 Service Layer Implementation
23:40 Controller Layer Implementation
To check out more on the tutorials Topic wise you can follow below links
Links:
Please do checkout other tutorial videos also if required:
Spring Framework: • Spring Framework
DevOps: • DevOps
Java Design Patterns: • Design Patterns
Java 8 Features: • Java 8
Core Java Complete Tutorial: • Core Java Complete Guide
Interview Preparation for Java: • Interview Preparation Java
Python: • Python
Linux: • Linux
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The Spring Framework is an application framework and inversion of control container for the Java platform. The framework's core features can be used by any Java application, but there are extensions for building web applications on top of the Java EE platform.(Wikipedia)
A BeanFactory is like a factory class that contains a collection of beans. The BeanFactory holds Bean Definitions of multiple beans within itself and then instantiates the bean whenever asked for by clients.
The BeanFactory is the actual container which instantiates, configures, and manages a number of beans. These beans typically collaborate with one another, and thus have dependencies between themselves. These dependencies are reflected in the configuration data used by the BeanFactory
BeanFactory also takes part in the life cycle of a bean, making calls to custom initialization and destruction methods.
Bean life cycle is managed by the spring container. When we run the program then, first of all, the spring container gets started. After that, the container creates the instance of a bean as per the request, and then dependencies are injected. And finally, the bean is destroyed when the spring container is closed. Therefore, if we want to execute some code on the bean instantiation and just after closing the spring container, then we can write that code inside the custom init() method and the destroy() method.
Spring Bean Scope in a nutshell refers to the lifecycle and visibility of a bean instance in a Spring-based application. Bean scopes determine the number of instances of a bean that will be created and how long the bean instances will exist. The five main scopes in Spring are: Singleton, Prototype, Request, Session, and Global Session.
#java #spring #springframework #springmvc
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