Learning Progress

Complete modules C1-C6 to earn your certificate

Code Hub Terminals

Master each terminal's challenge to unlock the next — Frontend → Backend → Dataviz.

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C1: Frontend Terminal

Interactive Tool | Level: 1

Markdown-to-HTML converter and CSS playground — learn how pages are built and styled

Categories:

Markdown HTML CSS

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C2: Backend Terminal

Interactive Tool | Level: 2

Live REST API simulator — create, read, update, and delete records using real HTTP methods

Categories:

REST HTTP CRUD JSON

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C3: Dataviz Terminal

Interactive Tool | Level: 3

Filter, paginate, and query a 12-company dataset with live-generated JPQL

Categories:

JPQL Spring JPA Pagination Filtering

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C4: Frontend Invaders

Quiz Game | Level: 4

Space Invaders quiz on Markdown and CSS — shoot wrong answers, let correct ones pass

Categories:

Canvas Game Markdown

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C5: Backend Invaders

Quiz Game | Level: 5

Space Invaders quiz on REST methods — identify GET, POST, PUT, DELETE from API scenarios

Categories:

Canvas Game REST

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C6: Dataviz Invaders — Code Hub Mastered

Quiz Game | Level: 6

Final challenge on filtering, pagination, and JPQL — clear all waves to master the Code Hub

Categories:

Canvas Game JPQL Mastery

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Code Hub Game

Game | Level: 3

Play all three Code Hub Space Invaders challenges — shoot wrong answers to prove mastery

Categories:

Code Hub Game Space Invaders

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