37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
---
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# title: Courses
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weight: 3
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---
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# Prerequisites
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* Solid understanding of Java
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* Object-oriented programming
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* Classes, methods and interfaces
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* Basic understanding of databases
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* Tables, primary keys, foreign keys, relationships, etc.
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* Write basic SQL statements
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---
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# What is a Spring Framework?
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**Spring** -- is a popular framework for building Java applications. It has a lot of modules, each designed to handle a specific task. They are combined into few different layers.
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*Img. 1 -- Spring layers*
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| **Layer** | **Purpose** |
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| ------------- | -------------- |
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| *Core* | Handling dependency injection, managing objects |
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| *Web* | Building web applications |
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| *Data* | Working with databases |
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| *AOP* | Aspect oriented programming |
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| *Test* | Testing spring components |
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While the spring framework is powerfull, using it often involves a lot of configuration. For example, if you want to build a web app you might need to setup a web server, configure routing and manage dependencies manually. That's when **Spring Boot** comes in.
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You can think of spring boot as a layer on top of the spring framework, that takes care of all of the setup.
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