BootSelf
Check my readiness
kotlin

Visibility for classes, packages, and modules

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

Where it sits

Learn first

Packages and importsDeclaring classes

This skill

Visibility for classes, packages, and modules

Leads to

The roles below put it to work directly.

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

Visibility for classes, packages, and modules

Object-oriented programming basic

about 9 min8 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

Abstract classesAdditional librariesAggregate operations on collectionsAggregate operations on collections: part 2AndroidAndroid CoreAndroid JetpackAndroid studio basics

Visibility for classes, packages, and modules: common questions

What is Visibility for classes, packages, and modules?

Visibility for classes, packages, and modules is a skill in kotlin, needed by 1 role on BootSelf.

Which jobs need Visibility for classes, packages, and modules?

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

What should I learn before Visibility for classes, packages, and modules?

Packages and imports, Declaring classes.

How long does it take to learn Visibility for classes, packages, and modules?

The starting lesson, Visibility for classes, packages, and modules, takes about 9 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 Visibility for classes, packages, and modules?

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.