May 2018
Intermediate to advanced
310 pages
6h 18m
English
Content preview from Building Applications with Spring 5 and Kotlin
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CRUD operations
To be able to perform CRUD operations with our data, we have to implement some code. We will make the necessary changes and introduce some new classes. What we will present to you now is a standard for every Spring application that manipulates the data stored in the relational database.
Create a package named repository with the NoteRepository interfaces as follows:
package com.journaler.api.repository import com.journaler.api.data.Note import org.springframework.data.repository.CrudRepository /** * String is the type for ID we use. */ interface NoteRepository : CrudRepository<Note, String> TodoRepository: package com.journaler.api.repository import com.journaler.api.data.Todo import org.springframework.data.repository.CrudRepository ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.