Interview track
Learn Java & Backend
Core Java, collections, Spring, and backend interview prep.
0 of 3 marked done · 1 free · 2 Pro
Build intuition
Interview patterns
Scale & trade-offs
Free starters
0 / 1 complete
| Done | Lesson / problem | Type | Level | |
|---|---|---|---|---|
| Java Core Concepts OOP, generics, streams, and concurrency basics. | Lesson | Beginner |
Pro library
0 / 2 complete
| Done | Lesson / problem | Type | Level | |
|---|---|---|---|---|
| Java Collections Deep Dive Lists, maps, sets, and interview favorites. | Hub | Intermediate | ||
| Spring Boot Interview Prep DI, REST, security, and production patterns. | Hub | Intermediate |