kotlin
Extension functions
1 role need it, 1 as coreUsually level 3: WorkingLesson available
Where it sits
Learn first
Member functionsThis skill
Extension functions
Jobs that need it
- Android Developercorelevel 3
What level 3 (Working) means
Uses it independently on the job. Level 4 (Strong): handles hard cases, reviews others.
Start learning
Extension functions
Object-oriented programming usage
about 14 min9 parts
Open the lessonExtension functions: common questions
What is Extension functions?
Extension functions is a skill in kotlin, needed by 1 role on BootSelf.
Which jobs need Extension functions?
Android Developer. Most ask for level 3 (Working): uses it independently on the job.
What should I learn before Extension functions?
Member functions.
How long does it take to learn Extension functions?
The starting lesson, Extension functions, takes about 14 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 Extension functions?
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.