Java

Master professional Java patterns and performance for your upcoming interview

8 lessons
3 weeks
800 XP
Your progress0 / 800 XP
Click a lesson to start learning!
Lessons
1
Modern Java Syntax and Records Overview
Master local variable inference and the power of Java records.
Quick winBeginnerMilestone
+50 XP
~5 min
2
Functional Programming with Streams and Lambdas
Process collections efficiently using declarative stream pipelines and functional interfaces.
IntermediatePractice
+75 XP
~7 min
3
Deep Dive into Java Generic Types
Understand wildcards, type erasure, and creating flexible, reusable generic APIs.
TheoryIntermediateMilestone
+75 XP
~10 min
4
Concurrency Models and Virtual Threads
Learn Project Loom basics and handling multi-threaded applications effectively.
AdvancedTheoryMilestone
+100 XP
~12 min
5
JVM Internals and Garbage Collection
Optimize memory management and understand how the JVM executes code.
AdvancedTheory
+100 XP
~14 min
6
Spring Framework and Dependency Injection
Core concepts of the most popular Java enterprise application framework.
IntermediateProjectMilestone
+125 XP
~16 min
7
Effective Java Design Patterns
Implement Builder, Singleton, and Strategy patterns the professional way.
AdvancedPractice
+125 XP
~18 min
8
Building a High-Performance Java API
A capstone project combining streams, concurrency, and clean code principles.
ProjectMilestoneMilestone
+150 XP
~20 min

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