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Spring Tutorial
Last modified: December 4, 2022
User management is very complex, when implemented properly. No surprise here.
Not having to roll all of that out manually, but instead integrating a mature, fully-fledged solution - yeah, that makes a lot of sense.
That's basically what Frontegg is - User Management for your application. It's focused on making your app scalable, secure and enjoyable for your users.
From signup to authentication, it supports simple scenarios all the way to complex and custom application logic. Have a look: >> Elegant User Management, Tailor-made for B2B SaaS
We rely on other people’s code in our own work. Every day. It might be the language you’re writing in, the framework you’re building on, or some esoteric piece of software that does one thing so well you never found the need to implement it yourself.
The problem is, of course, when things fall apart in production - debugging the implementation of a 3rd party library you have no intimate knowledge of is, to say the least, tricky. It’s difficult to understand what talks to what and, specifically, which part of the underlying library is at fault.
Lightrun is a new kind of debugger.
It's one geared specifically towards real-life production environments. Using Lightrun, you can drill down into running applications, including 3rd party dependencies, with real-time logs, snapshots, and metrics. No hotfixes, redeployments, or restarts required.
Learn more in this quick, 5-minute Lightrun tutorial:
>> The Essential List of Spring Boot Annotations and Their Use Cases
The Spring Framework is a mature, powerful and highly flexible framework focused on building web applications in Java.
One of the core benefits of Spring is that it takes care of most of the low-level aspects of building the application to allow us to actually focus on features and business logic.
Another strong point is that, while the framework is quite mature and well-established, it's very actively maintained and has a thriving dev community. This makes it quite up to date and aligned with the Java ecosystem right now.
Of course, there's a lot to learn to work well with Spring.
Let's get started.
Basics of Spring
We'll start with some core aspects of the framework first:
- Why Choose Spring as Your Java Framework?
- Spring Bean Annotations
- Spring Profiles (popular)
- Properties with Spring (popular)
- Project Configuration with Spring
- Spring Exceptions (Series)
- The Spring @Qualifier Annotation
- Understanding getBean() in Spring
- What is a Spring Bean?
- @Component vs @Repository and @Service in Spring
- Spring Core Annotations
- XML-Based Injection in Spring
- Using Spring @Value with Defaults
- A Quick Guide to Spring @Value (popular)
- Intro to Inversion of Control and Dependency Injection with Spring
- Constructor Dependency Injection in Spring
- Wiring in Spring: @Autowired, @Resource and @Inject
- Guide to Spring @Autowired (popular)
- Quick Guide to Spring Bean Scopes
Spring on the Web
The Spring MVC framework is the foundation of building web applications with Spring.
It powers a wide range of web applications, from traditional MVC-style applications, all the way to stateless REST APIs.
Let's start with some of the basics – the common ground between all of these styles of web applications:
And then, the basics of building a traditional, MVC-style web application:
And, if you'd like to explore the Spring MVC framework more in-depth, here's a more comprehensive guide to do that.
Finally, let's explore the RESTful support in Spring MVC:
- Bootstrapping a Web Application
- Building a REST API
- Securing a REST API
- Basic and Digest Authentication for a REST API
- REST Pagination
- Entity To DTO Conversion for a Spring REST API
- Spring’s RequestBody and ResponseBody Annotations (popular)
- Error Handling for REST with Spring (popular)
- Max-HTTP-Header-Size in Spring Boot 2
And, if you'd like to further explore building a REST API with Spring, you can go through the more full-fledged series of articles here.
Spring Persistence - SQL
Spring supports most persistence solutions out there:
Spring Persistence - No SQL
Spring Security
Next, a really strong aspect of the Spring ecosystem – security:
- Security with Spring (Main Series)(popular)
- Spring Security Authentication Tutorial (Series)
- Spring Security Registration (Series and Case Study)
