BootSelf
Check my readiness
android

Java

1 role need it, 1 as coreUsually level 3: WorkingLearn with the tutor

Where it sits

Learn first

Nothing: a good place to start.

This skill

Java

Leads to

Programming languages

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

No lesson yet: the tutor teaches it in short steps, with checks as you go.

Find out where you stand

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

Check my readiness

Try it now

Write and run Java in your browser, no setup.

Open the Java compiler

Learned alongside it

ActivityAlertDialogAnimation APIs overviewBasic project with GradleBroadcastReceiverBuilder patternBuilding apps using GradleButton

Java: common questions

What is Java?

Java is a skill in android, needed by 1 role on BootSelf.

Which jobs need Java?

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

What should I learn before Java?

Nothing in particular: it's a good place to start.

How do I practise Java?

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.