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Java Developer roadmap

JVM internals, collections, streams, concurrency and Spring fundamentals.

Intermediate
about 8 hours
2 modules
9 steps

What you will learn

1. Java Core
Language basics, classes and interfaces, exceptions, generics, collections and streams.
- Language Basics — Java · Language Basics
- Classes & Interfaces — Java · Classes & Interfaces
- Exceptions — Java · Exceptions
- Generics & Collections — Java · Generics & Collections
- Streams — Java · Streams
2. JVM, Concurrency & Spring
How the JVM and its garbage collector work, threads and concurrency, and Spring fundamentals.
- JVM — Java · JVM
- Garbage Collection — Java · Garbage Collection
- Threads & Concurrency — Java · Threads & Concurrency
- Spring, REST & DI — Java · Spring, REST & DI

Each step unlocks when you answer its questions well enough, and a module you finish counts in every roadmap that shares it.

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