Slides from a beginners Hackathon at the Technical University in Kosice.

1. Spring Boot(camp)
Getting started for the real world

2. <david.schmitz@senacor.com>
Spring-Boot in a Nutshell

3. <david.schmitz@senacor.com>
Demo - Hello World REST

4. <david.schmitz@senacor.com>
Demo - Main Concepts
Repository
Entity
Controller
Application
The thing that
exposes
Resources
The thing that
handles Database
access
The Resource
The beginning of
everything

5. <david.schmitz@senacor.com>
Demo - Hello World REST
Application

6. <david.schmitz@senacor.com>
Demo - Hello World REST
Entity
Database

7. <david.schmitz@senacor.com>
Demo - Hello World REST
Repository
Entity
Controller
Database

8. <david.schmitz@senacor.com>
Demo - Hello World REST
Controller
$ curl http://localhost:8080/helloworld/
Repository

9. <david.schmitz@senacor.com>
Demo - Hello World REST
Controller
$ curl http://localhost:8080/helloworld/ [{"id":"1","greeting":"Kosice="},
{"id":"2","greeting":"Bonn="},
{"id":"3","greeting":"Duesseldorf="}]

10. <david.schmitz@senacor.com>
Demo - Hello World REST
Controller
$ curl http://localhost:8080/helloworld/1 {"id":"1","greeting":"Kosice="}

11. <david.schmitz@senacor.com>
Demo - Hello World REST
curl -X POST -d 'Kosice'
http://localhost:8080/helloworld/
HTTP/1.1 201 Created
{"greeting":"Kosice"}
Controller

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Your Turn!

13. <david.schmitz@senacor.com>
Building Boot-Todo
I want to create a new
Todolist
I want to add a new
Todoitem to a Todolist
Todolist
Public Id
Name
Todoitem
Public Id
Description
Done?
Due Date
I want to finish a
Todoitem
I want to remove
Todoitems from a
Todollist

14. <david.schmitz@senacor.com>
Building Boot-Todo
• Fetch Spring-Boot dependencies
• Create Todoitem and Todolist as Resources
• Create RestController and Repository for Todoitem Resource
• Create RestController and Repository for Todolist Resource
• Test it!

15. <david.schmitz@senacor.com>
THANK YOU!
<david.schmitz@senacor.com>