Aggregate operations on collections
Where it sits
Learn first
Introduction to InterfacesThis skill
Aggregate operations on collections
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
Aggregate operations on collections
Operations with collections
about 13 min5 parts
Open the lessonAggregate operations on collections: common questions
What is Aggregate operations on collections?
Aggregate operations on collections is a skill in kotlin, needed by 1 role on BootSelf.
Which jobs need Aggregate operations on collections?
Android Developer. Most ask for level 3 (Working): uses it independently on the job.
What should I learn before Aggregate operations on collections?
Introduction to Interfaces.
How long does it take to learn Aggregate operations on collections?
The starting lesson, Aggregate operations on collections, takes about 13 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 Aggregate operations on collections?
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.