Modules
4
Config-driven lessons
Language Track
Java
Level up enterprise fundamentals, OOP patterns, and backend quests.
Track Catalog4 modules
Start with Classes & Objects. Progress saves when you play signed in.
Total XP
1,160
Available in track
Daily Quest
32
Classes & Objects five-question streak
Next Module
Beginner
Classes & Objects
Raid Path
0 / 4 modules clearedBeginner enemy encounter
Classes & Objects
Build classes & objects fluency through short lessons, quizzes, and raid practice.
Intermediate enemy encounter
Collections
Build collections fluency through short lessons, quizzes, and raid practice.
Intermediate enemy encounter
Streams
Build streams fluency through short lessons, quizzes, and raid practice.
Advanced enemy encounter
Spring APIs
Build spring apis fluency through short lessons, quizzes, and raid practice.
Pro encounter lockedSign in with an active Pro plan to enter this raid.
Boss Raids
javaBeginner
Java Class Colossus
A towering OOP boss built from class declarations and object lifecycles.
javaIntermediate
Collection Vault Warden
An archive-vault construct that tests lists, sets, maps, queues, and collection behavior under pressure.
javaIntermediate
Java Streams Sentinel
A stream-forge automaton that tests pipelines, intermediate operations, collectors, and lazy evaluation.
javaAdvancedPRO
Spring Gateway Archon
A verdant routing sovereign that guards annotated endpoints and fractures only when controllers, mappings, response contracts, and injected dependencies are wired correctly.
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