BootSelf
Check my readiness
java

Primitive and reference types

2 roles need it, 2 as coreUsually level 3: WorkingLesson available

Where it sits

Learn first

Calling methodsTypes and variables

This skill

Primitive and reference types

Leads to

Constants. Final variablesObjects and their propertiesData types and variablesArray

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

Primitive and reference types

Data types and variables

about 8 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

Access modifiersArithmetic operationsArrayArray vs ArrayListArraysBasic SyntaxBasics of OOPBuild tools

Primitive and reference types: common questions

What is Primitive and reference types?

Primitive and reference types is a skill in java, needed by 2 roles on BootSelf.

Which jobs need Primitive and reference types?

Backend Developer (Java, Spring Boot), Full Stack Developer (Java + React). Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Primitive and reference types?

Calling methods, Types and variables.

How long does it take to learn Primitive and reference types?

The starting lesson, Primitive and reference types, takes about 8 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 Primitive and reference types?

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.