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Kotlin – Convert JSON to Object and vice versa using Jackson

In this tutorial, we’re gonna look at way to convert JSON string, JSON file, JSON url into Object, Array, Map and do the opposite: convert Object to JSON String in Kotlin using Jackson library.

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Kotlin List & Mutable List tutorial with examples
Kotlin – parse JSON to object & convert object to JSON using Gson
Kotlin – Convert object of a Data Class to another Data Class object

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Spring Boot, Spring Data JPA – Building Rest CRUD API example

In this tutorial, we’re gonna build a Spring Boot Rest CRUD API example that use Spring Data JPA to interact with MySQL/PostgreSQL database. You’ll know:

  • How to configure Spring Data, JPA, Hibernate to work with Database
  • How to define Data Models and Repository interfaces
  • Way to create Spring Rest Controller to process HTTP requests
  • Way to use Spring Data JPA to interact with PostgreSQL/MySQL Database

More Practice:
Spring Boot Rest XML example – Web service with XML Response
Spring Boot + GraphQL + MySQL example
Spring Boot + Vue.js example: Build a CRUD App

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Kotlin List & Mutable List tutorial with examples

In this tutorial, I will show you many methods and functions to work with List & MutableList in Kotlin. You’re gonna know:

  • Introduction to Kotlin List
  • How to create, initialize, access, update, remove items in a MutableList
  • How to combine multiple Lists, get subList of a List in Kotlin
  • Ways to iterate, reverse, find items in a Kotlin List

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Kotlin – Sort List of custom Objects
Kotlin Queue tutorial with examples
How to work with Kotlin HashMap

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