Coding Languages

Learn Java

3 plans — 20 lessons

Through practical lessons and AI guidance, you’ll build your skills step by step. By the end, you’ll be able to write real code, solve everyday problems, and build practical projects.

Beginner Path14-day sprint
14-day sprint

Go from complete beginner to confident in Java in 14 days

Through practical lessons and AI guidance, you’ll build your skills step by step. By the end, you’ll be able to write real code, solve everyday problems, and build practical projects.

  • Java setup and first class
  • Types, variables, and control flow
  • Classes, objects, and methods
  • +3 more topics
Start plan
Intermediate Path21-day sprint
21-day sprint

Go from the basics to real-world Java skills in 21 days

Through practical lessons and AI guidance, you’ll build your skills step by step. By the end, you’ll be able to solve real-world tasks, work more efficiently, and build stronger projects.

  • Streams and lambda expressions
  • Functional interfaces and method references
  • Optional and null safety
  • +4 more topics
Start plan
Advanced Path30-day sprint
30-day sprint

Go from advanced to expert in Java in 30 days

Through practical lessons and AI guidance, you’ll build your skills step by step. By the end, you’ll be able to solve complex problems, optimize your work, and build advanced real-world solutions.

  • JVM internals and memory model
  • CompletableFuture and reactive programming
  • Design patterns in Java
  • +4 more topics
Start plan

What You'll Learn

01Foundation

Java setup and first class

Install the JDK, compile, and run your first class.

setupjdkbasics
02Foundation

Types, variables, and control flow

Work with primitives, loops, and conditionals.

typesloopssyntax
03Core

Classes, objects, and methods

Build reusable classes and understand OOP basics.

oopclassesmethods
04Core

Collections and generics

Use lists, maps, and type-safe collections.

collectionsgenericsdata structures
05Core

Exceptions, files, and packages

Handle errors, read files, and organize packages.

exceptionsfilespackages
06Challenge

Mini project: console app

Build a small console-based Java program.

projectconsolepractice

Build Java skills that stick

14 days of OOP, collections, and exception handling — capped with a real console app you build yourself.

Start learning

Java always felt overwhelming until I followed this plan. The incremental structure made it click.

— Max V., CS student

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