Study Content
16 categories. Tap a card to start from the first lesson of each category.
6
Java
OOP, Collections, Streams, JVM
10
Spring Boot
DI, MVC, JPA, Security
6
Database
SQL, Indexes, Transactions
11
HTML/CSS
HTML, CSS, Flexbox, Grid
21
JavaScript
ES6+, DOM, Async
7
TypeScript
Type system, generics, async — differences from JS (7 lessons)
22
React
Components · Hooks · State · Forms · Optimization · TS
15
Next.js
App Router · Server Component · Server Actions · Streaming · Optimistic UI · Middleware · SEO · Revalidation
27
Python
Syntax, data structures, async, AI basics
9
Vibe Coding
Cursor·Copilot·v0·Claude Code
4
Dev Tools
IDE, CLI, Debugging, Productivity
9
Network
TCP/IP, HTTP, Cookies·Sessions, CDN, CORS
5
OS
Processes·Threads, Memory, File systems
4
Security
XSS, CSRF, Encryption
4
DevOps
Docker, CI/CD
4
Collaboration & Git
Git, Agile