BootSelf
Check my readiness
angular · java · spring-boot · android · flutter

Dependency injection

6 roles need it, 6 as coreUsually level 3: WorkingLesson available

Where it sits

Learn first

Unit testing

This skill

Dependency injection

Leads to

Koin BasicsIoC ContainerKoin basics

Jobs that need it

What level 3 (Working) means

Uses it independently on the job. Level 4 (Strong): handles hard cases, reviews others.

Start learning

Dependency injection

Introduction to Design Principles and SOLID

about 12 min7 parts

Open the lesson

Find out where you stand

A free check, then a route that starts at your level.

Check my readiness

Learned alongside it

Build toolsBuilding apps using GradleImagesUnit testing@case@default@defer@else

Dependency injection: common questions

What is Dependency injection?

Dependency injection is a skill in angular and java and spring-boot and android and flutter, needed by 6 roles on BootSelf.

Which jobs need Dependency injection?

Android Developer, Backend Developer (Java, Spring Boot), Flutter Developer, Frontend Developer (Angular), Full Stack Developer (Java + React), and 1 more. Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Dependency injection?

Unit testing.

How long does it take to learn Dependency injection?

The starting lesson, Dependency injection, takes about 12 minutes. Reaching the level a job asks for takes practice on top: BootSelf measures where you are and plans the rest.

How do I practise Dependency injection?

Check your readiness for free, then BootSelf builds a route and short daily learning loops: a little theory, checks on what you get wrong, then a small program.