Codecademy

Learn to code interactively, for free.

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Resources from Codecademy

Learn C++ - Codecademy

Learn C++ programming fundamentals including variables, functions, loops, and vectors through Codecademy's interactive hands-on coding exercises.

Introduction to Data Science - Codecademy

Explore data science fundamentals including data analysis, visualization, statistics, and Python tools through Codecademy's interactive platform.

Learn SQL - Codecademy

Learn to query and manage databases with SQL through interactive exercises covering SELECT, WHERE, JOIN, and aggregate functions.

Learn CSS - Codecademy

Master web design with CSS through interactive lessons covering selectors, layouts, flexbox, grid, and responsive design principles.

Learn Java - Codecademy

Comprehensive Java programming course covering object-oriented fundamentals including classes, inheritance, and polymorphism through interactive exercises.

Learn HTML - Codecademy

Learn to build web pages with HTML through interactive coding exercises covering elements, structure, forms, and semantic markup.

Learn JavaScript - Codecademy

Interactive JavaScript programming course covering fundamentals from variables and functions to arrays and objects, with hands-on coding exercises.

PHP - Codecademy

Learn to program in PHP, a widespread language that powers sites like Facebook....

Python

Learn to program in Python, a powerful language used by sites like YouTube and Dropbox....

Ruby - Codecademy

Learn to program in Ruby, a ﬂexible language used to create sites like Codecademy Topics: - Flow control - Looping - Arrays and Hashes - Blocks and Sorting - Hashes and Symbols - Refactoring - Blocks, Procs, and Lambdas - Object-Oriented Prog...