Course Code: kotbedevbesp
Duration: 21 hours
Prerequisites:

Good Java skills and Spring Boot minimal experience.

Overview:

Objectives

Understand Kotlin Basics:

  • Grasp fundamental Kotlin syntax and features
  • Set up a Kotlin devlopment environment

Master Advanced Kotlin Concepts:

  • Implement object-oriented and functional programming principles
  • Utilize Kotlin-specific features such as coroutines and DSLs

Use Kotlin for Microservices Architecture:

  • Integrate Kotlin with Spring Boot for microservice development
  • Manage communication and data flow between microservices

Implement DevOps Practices:

  • Set up CI/CD pipelines for Kotlin applications
  • Dockerize Kotlin applications and manage deployments

Ensure Security in Kotlin Applications:

  • Apply Kotlin-specific security best practices
  • Secure sensitive data and implement secure coding techniques

Achieve Seamless Interoperability:

  • Efficiently call Kotlin from Java and vice versa
  • Navigate common interoperability pitfalls and best practices

Hands-On Project Development:

  • Build a complete microservice application using Kotlin and Spring Boot
  • Implement security features and set up CI/CD pipelines
  • Test and deploy the application effectively
Course Outline:

Day 1: Kotlin Fundamentals

Module 1: Introduction to Kotlin

  • Benefits for server-side development
  • Comparison with Java
  • What is the K2 Compiler

Module 2: Setup

  • Setting up a Spring Boot project with Kotlin
  • Kotlin REPL and scripting basics

Module 3: Basic Syntax and Features

  • Variables, constants, and data types
  • Control Flow
  • Scope Functions such as let, run, with, apply, and also

Module 4: Functions and Functional Programming

  • Defining and calling functions
  • Lambda expressions and higher-order functions
  • Extension functions

Module 5: Null Safety and Type System

  • Nullable and non-nullable types
  • Safe calls and Elvis operator

Day 2: Advanced Kotlin and Microservices

Module 1: Object-Oriented Programming in Kotlin

  • Classes and objects
  • Constructors and initialization
  • Inheritance and interfaces
  • Data classes and sealed classes
  • Lists, sets, and maps
  • Iteration and manipulation
  • Generic classes and functions
  • Inline Classes

Module 2: Kotlin in a Microservice Architecture with Spring

  • Introduction to Spring Boot Fundamentals
  • Using Kotlin with Spring Boot
  • Serializing/Deserializing with Jackson
  • REST implementation overview
  • Creating and managing microservices
  • Communication between microservices
  • Coroutines for asynchronous programming
  • DSLs (Domain-Specific Languages)
  • Multithreading and concurrency

Module 3: Java Interoperability

  • Calling Kotlin from Java
  • Calling Java from Kotlin
  • Common pitfalls and best practices

Day 3: DevOps and Security

Module 1: DevOps with Kotlin

  • CI/CD pipelines
  • Dockerizing Kotlin applications
  • Creating efficient images
  • Deployment strategies

Module 2: Testing

  • Unit testing with JUnit
  • Integration testing with Spring Boot
  • Mocking and stubbing

Module 3: Security

  • Security best practices in Kotlin
  • Handling sensitive data
  • Secure coding techniques