BootSelf
kotlin

Sequences

1 role need it, 1 as coreUsually level 3: WorkingLesson available

Where it sits

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

Sequences

Advanced collections

about 16 min6 parts

Open the lesson

Find out where you stand

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

Sequences: common questions

What is Sequences?

Sequences is a skill in kotlin, needed by 1 role on BootSelf.

Which jobs need Sequences?

Android Developer. Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Sequences?

Filtering elements in collection, Ordering elements in collection, Grouping collections, Aggregate operations on collections.

How long does it take to learn Sequences?

The starting lesson, Sequences, takes about 16 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 Sequences?

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.