Computer Science Courses Tutorials Codecademy

Kenji Sato

-Apr 6, 2026, 8:40 AM

computer science courses tutorials codecademy

Computer science courses About Computer science Computer science, often referred to as "CS," is a broad term that covers many sub-disciplines, including the worlds of software *and* hardware. It can be found in every piece of technology you use, from a smartphone or gaming console to a car or ATM. With so many applications for Computer Science, there's a space for everyone!

Computer science courses Filters140 results Level Price View plansType Average time to complete Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary. Most relevant 140 results Most relevant - Dive into C++, a flexible and well-supported language that's still widely used now, over 40 years after its conception. - Beginner Friendly.4 hours - Learn how to make your C++ programs more efficient by automating repetitive tasks with loops.

Beginner Friendly.1 hour - Dive into the many forms of generative AI and learn how we can best use these new technologies! - Beginner Friendly.< 1 hour - Learn about the basics of the C programming language, and write your first C program! - Beginner Friendly.< 1 hour - Learn C++ — a versatile programming language that’s important for developing software, games, databases, and more. - Beginner Friendly.11 hours - Discover the power of this simple yet essential text-based tool and increase your productivity as a developer.

Beginner Friendly.1 hour - An introduction to the basic syntax and fundamentals of Python for experienced programmers. - Intermediate.3 hours - Learn about the command line, starting with navigating and manipulating the file system, and ending with redirection and configuring the environment. - With Certificate - Beginner Friendly.4 hours - Learn to code in Java — a robust programming language used to create software, web and mobile apps, and more. - Beginner Friendly.17 hours - Learn the basics of secure coding and how to have a secure coder mindset.

Beginner Friendly.< 1 hour - Learn the basics of Python 3.12, one of the most powerful, versatile, and in-demand programming languages today. - With Certificate - Beginner Friendly.24 hours - Ready to dive into the world of Generative AI? Learn how ChatGPT works, how to use ChatGPT in your everyday life, and how to write effective ChatGPT prompts. - Beginner Friendly.1 hour - Explore set operations, proofs, recursion, and more in this introduction to discrete math — the math of computer science!

Intermediate.4 hours - Jump into PowerShell through interactive lessons on variables, operators, control flow, objects, arrays, and functions. - Beginner Friendly.6 hours - Dive into C#, a scalable programming language that is easy to read and maintain. - Beginner Friendly.4 hours - Are you feeling confused about where to aim for with your career goals? Take this course to learn about different career options! - Beginner Friendly.< 1 hour - Explore video game development, including game design, gameplay development, and asset creation.

Beginner Friendly.1 hour - Explore C# subclasses, classes, superclasses, and more in this introduction to object-oriented programming with C#. - Beginner Friendly.8 hours - Sharpen your programming skills by learning how to create, assess, and modify arrays and strings in C. - Beginner Friendly.2 hours - Dive deeper into Java — one of the world’s most popular programming languages. - Intermediate.10 hours - Take your first steps into the world of IT, or Information Technology! Introduction to IT will teach you about core IT subjects.

Beginner Friendly.3 hours - Learn Microsoft's popular C# programming language, used to make websites, mobile apps, video games, VR, and more. - Beginner Friendly.15 hours - Looking for an introduction to the theory behind programming? Master Python while learning data structures, algorithms, and more! - Includes 6 Courses - With Professional Certification - Beginner Friendly.75 hours - In this course, we will discuss the four basic principles of object-oriented programming and see how we can implement and use them in C++.

With Certificate - Intermediate.10 hours - Use our beginner friendly Git course to integrate Git and GitHub and manage versions of your projects using Git branches. - With Certificate - Beginner Friendly.4 hours - Learn the basics of the world's fastest growing and most popular programming language used by software engineers, analysts, data scientists, and machine learning engineers alike. - Beginner Friendly.17 hours - Learn about the C programming language in this beginner-friendly skill path.

Includes 6 Courses - With Certificate - Beginner Friendly.11 hours - Sharpen your C++ skills by learning how to use C++ classes and objects to build more scalable, modular programs. - Beginner Friendly.1 hour - Learn about Bash scripting, a powerful way to combine Bash commands, and write Bash scripts to navigate through your operating system. - Intermediate.3 hours - Want to learn how to get started with programming in an interactive way? Try our drag and drop code lessons!

Beginner Friendly.2 hours - Learn Intermediate Python 3 and practice leveraging Python’s unique features to build powerful, sophisticated applications. - With Certificate - Intermediate.20 hours - In this introductory course, we'll be getting familiar with Linux and how to navigate within a Linux environment! - With Certificate - Intermediate.4 hours - Learn how to use C pointers and proper memory management to make your programs more efficient. - Beginner Friendly.1 hour - Learn the basics of functional programming, concurrent programming, deployment, and more in this advanced Python course.

With Certificate - Advanced.6 hours - Learn about Assembly languages and the role they play in computer architectures. - Beginner Friendly.1 hour - Learn how to use C++ vectors, a great way to keep your data organized. - Beginner Friendly.1 hour - Learn how to track changes in your code and switch between different versions with Git, an open-source version control system. - Beginner Friendly.1 hour - Level up your programming skills by learning how to use C loops and conditionals like `if` and `else`.

Beginner Friendly.2 hours - Learn to redirect input and output to and from files and programs. - Beginner Friendly.1 hour - Learn intermediate C++ concepts like variable scope, storage classes, OOP, namespaces, templates, enumerations, and more to build efficient applications. - With Certificate - Intermediate.20 hours - References and pointers are some of the most powerful features in C++; they allow programmers to directly manipulate memory. - Beginner Friendly.1 hour - Learn how to utilize one of the most popular programming paradigms - Object-Oriented Programming.

Intermediate.2 hours - Hone your coding skills by practicing with industry standard technical interview problems! - With Certificate - Intermediate.6 hours - This course is for new programmers who aren't sure what they want to learn about. Take this course to jumpstart your learning journey! - Beginner Friendly.1 hour - Take your C++ skills to the next level by learning how to use using C++ functions to write more flexible, modular, reusable code.

Beginner Friendly.3 hours - Recursion gives you a new perspective on problem-solving by defining a problem in terms of itself. - With Certificate - Intermediate.3 hours - Learn about the basics of Operating Systems and how they manage a computer’s hardware. - Beginner Friendly.< 1 hour - Learn about operating systems by taking a deep dive into each of its main functionalities. - Beginner Friendly.2 hours - Learn intermediate C# concepts like inheritance, asynchronous programming, events, iterators, and more to build efficient applications.

With Certificate - Intermediate.34 hours - Hackers and cyber threats are a fact of today's modern, digital world. Everyone needs to be able to protect themselves from these threats. - Beginner Friendly.1 hour - Learn how to manage filesystems and manipulate directories from the command line. - Beginner Friendly.1 hour - Level up your C# skills by learning how to work with data using lists and LINQ queries. - Beginner Friendly.3 hours - Ready to learn how to use AI for coding?

Learn how to use generative AI tools like ChatGPT to generate code and expedite your development. - Beginner Friendly.1 hour - Learn how to use functional programming to create clean, efficient programs. - Advanced.2 hours - Learn how to use GitHub, a service that allows you to host and share your code. - Beginner Friendly.1 hour - Learn how to work with NoSQL databases and run basic CRUD operations in this introduction to MongoDB.

Beginner Friendly.5 hours - This course will introduce learners to factors to consider when picking a first language as well as describe some popular options. - Beginner Friendly.< 1 hour - Dive into Raspberry Pi and get to know the power of this credit card-sized computer. - Beginner Friendly.< 1 hour - Learn about the rules, organization of components, and processes that allow computers to process instructions.

With Certificate - Intermediate.5 hours - Explore OpenAI’s API and learn how to write more effective generative AI prompts that help improve your results. - Beginner Friendly.< 1 hour - Learn the basics of Raspberry Pi, the world-famous credit card sized computer, and the Linux operating system. - Beginner Friendly.2 hours - Learn about the computer science concepts of data structures and algorithms and build implementations of each from scratch in modern Python.

Includes 8 Courses - With Certificate - Intermediate.25 hours - Dive into the world of generative image-based-artificial intelligence (or AI) and learn how to use Midjourney! - Beginner Friendly.< 1 hour - Learn the basics of parallel and concurrent programming, servlets, and sockets in this advanced Java course. - With Certificate - Advanced.2 hours - Learn how to define scope, create reusable functions, and contain data types with structures in C. - Beginner Friendly.4 hours - Learn how to control the flow of your program using logic and conditionals.

Beginner Friendly.2 hours - Take this course meant for experienced programmers and learn Java, one of the world's most popular languages. - Intermediate.1 hour - Learn how to store and manipulate your data with C variables and operators. - Beginner Friendly.2 hours - Learn about sets and set operations and their relevance to computer science. - Beginner Friendly.< 1 hour - Learn how to configure your environment and set up your settings and preferences from the command line.

Beginner Friendly.1 hour - Learn advanced algorithms and data structures to improve your developer skills! - With Certificate - Advanced.6 hours - Learn about different types of errors in Java and practice finding them. - Beginner Friendly.< 1 hour - Learn advanced C++ programming with preprocessor directives, operator overloading, streams, and lambda expressions. - With Certificate - Advanced.12 hours - This course utilizes Project-Based Learning (PBL) to teach learners how to create Classes and Objects in Python.

Beginner Friendly.1 hour - Learn how to contribute to, create, and maintain open source projects! - Beginner Friendly.< 1 hour - Use the command line to discover more about the Linux operating system and the Raspberry Pi. - Beginner Friendly.1 hour - Dive into the world of developer tools with Python and VS Code! Learn how to set up, debug, and unit test your code in your own environment.

With Certificate - Advanced.1 hour - A quick primer on the fundamentals of the Rust programming language for experienced programmers. - Intermediate.1 hour - Learn how to define users, manage user groups and privileges, and set permissions for files in Linux. - Intermediate.1 hour - Learn how to create and implement your own iterators and generators in Python. - Intermediate.4 hours - Learn the fundamentals of quantum computing and how it differs from classical computing in this introductory course.

Beginner Friendly.3 hours - Learn how to maintain clean code, write better pull requests, and collaborate with the GitHub community. - Beginner Friendly.< 1 hour - Learn how to create, merge, clone, and fetch Git branches to collaborate with other developers. - Beginner Friendly.1 hour - Learn how to perform database operations in Python using the sqlite3 module. - Advanced.1 hour - Dive into Linux, a useful and lightweight operating system with a large impact on open-source technology.

Intermediate.1 hour - Learn about binary, octal, decimal, and hexadecimal bases and how to conduct conversions to and from each one. - Beginner Friendly.1 hour - Learn about sequences and summations and their relevance in computer science. - Beginner Friendly.< 1 hour - Learn about the computer science concepts of data structures and algorithms and build implementations of each from scratch in modern Java.

Includes 8 Courses - With Certificate - Intermediate.19 hours - Dive deeper into the unique ways to utilize functions to create cleaner and more efficient software. - Intermediate.4 hours - Learn about permutations and combinations and their relevance to computer science. - Beginner Friendly.1 hour - Learn how to use concurrent programming to implement code more efficiently. - Advanced.2 hours - Learn about the computer science concepts of data structures and algorithms and build implementations from scratch in modern JavaScript.

Includes 8 Courses - With Certificate - Intermediate.13 hours - Learn about the basics of computer architecture and work with binary numbers and logic gates. - Beginner Friendly.2 hours - Learn how to harness the power of Python context managers to make your programs more efficient and secure. - Intermediate.2 hours - Learn to maintain a healthy codebase by creating unit tests using Python's built-in `unittest` framework. - Intermediate.4 hours - Learn to call and create methods: a fundamental building block in C# development.

Beginner Friendly.2 hours - Unlock the power of references, an essential aspect of object-oriented programming in C#. - Beginner Friendly.3 hours - Learn beginner blockchain concepts and create your own mini blockchain using Python 3 code. - With Certificate - Beginner Friendly.2 hours - Learn about Operating Systems and how to synchronize processes and handle memory management. - Beginner Friendly.1 hour - Get a taste of regular expressions (regex), a powerful search pattern language to quickly find the text you're looking for.

Beginner Friendly.1 hour - Blend hardware and software with digital electronics and Raspberry Pi. - Beginner Friendly.1 hour - Teach computers how to make decisions and play games with the Minimax Algorithm! - Advanced.2 hours - Learn about JUnit testing, Java's open-source testing framework. - Intermediate.1 hour - Dive into generics and Collections in Java and see how they can help you write more advanced code. - Intermediate.3 hours - Discover and design new data structures that follow abstract rule-based systems by building out graphs, hash-maps, and heaps.

With Certificate - Intermediate.7 hours - Learn more about operating system processes, threading and multithreading, and process scheduling. - Beginner Friendly.1 hour - Learn how to create more dynamic and efficient programs with specialized Python collections and set operations. - Intermediate.5 hours - Learn how to organize data and automate repetitive tasks with arrays and loops. - Beginner Friendly.3 hours - Learn how to use GitHub Pages to easily set up and publish your own websites.

Beginner Friendly.< 1 hour - Learn how to code for various electronic devices in this introduction to hardware programming with CircuitPython. - With Certificate - Beginner Friendly.2 hours - Learn how to use tries and binary indexed trees for efficient search implementations. - Advanced.1 hour - Learn about congruences, the procedures for solving them, and their relevance to cryptography. - Beginner Friendly.< 1 hour - Learn how to verify theorems and dive into induction, strong induction, and other types of proofs.

Beginner Friendly.1 hour - Learn to optimize conversational AI with our OpenAI API Playground course. Discover system prompts, message history management, and AI customization. - Beginner Friendly.< 1 hour - Dive into the technology behind web3 and learn about the concepts behind Blockchain and Crypto! - Beginner Friendly.1 hour - Learn about Hamiltonian paths and cycles and how to find both in Python. - Advanced.< 1 hour - Learn to set up, debug, and test Java programs using VS Code, an essential software development tool for aspiring Java developers.

With Certificate - Advanced.3 hours - Learn about how your computer's hardware and software communicate using Instruction Set Architecture. - Beginner Friendly.1 hour - Learn how to use logs in Python to help debug and track your software. - Advanced.1 hour - Learn about the usefulness and efficiency of computational sorting by implementing different sorting algorithms yourself. - With Certificate - Intermediate.3 hours - Learn how to use GitHub Copilot to streamline your workflow and development. This course provides an in-depth understanding of the AI-driven coding assistant.

Intermediate.< 1 hour - Learn about threading and how it’s used in concurrent programs to improve the performance and efficiency of an application. - Intermediate.2 hours - Learn about cache memory, and work with a simulation cache to understand how it functions. - Beginner Friendly.1 hour - Learn how operating systems use filesystems to structure, store, and manage data. - Beginner Friendly.< 1 hour - Learn about two powerful string searching methodologies: the Rabin-Karp algorithm and the Knuth-Morris-Pratt algorithm.

Advanced.3 hours - This course shows how programmers can code a Java program that considers, interprets, and responds to input and output. - Intermediate.1 hour - Learn about recurrence relations and dive deeper into recursion and dynamic programming. - Beginner Friendly.< 1 hour - 🍇 Learn about Emojicode, a programming language that consists of emojis! 🍉 - Beginner Friendly.1 hour - Learn how to leverage the power of double-ended queues (deques) in Python.

Advanced.< 1 hour - Finding the data you are looking for in a data set is an important skill: get started with two common approaches. - With Certificate - Intermediate.2 hours - Dive deeper into the world of GitHub and learn about its more advanced features like Actions, Codespaces, and github.dev. - With Certificate - Intermediate.< 1 hour - In this course, we’ll learn about Java’s Serializable interface and how serialization and deserialization work in Java.

Intermediate.2 hours - Learn how to process instructions efficiently and explore how to achieve higher data throughput with data-level parallelism. - Beginner Friendly.< 1 hour - Learn about counting theory and its relevance to computer science, and dive into the pigeonhole principle. - Beginner Friendly.< 1 hour - Learn about LOLCODE, an esoteric programming language based on internet memes and cats! - Intermediate.1 hour - Learn about IO Hardware and Software and how they interact with your Operating System.

Beginner Friendly.< 1 hour - Learn about GitHub’s more advanced features, like personal access tokens, two-factor authentication, and enterprise managed users. - With Certificate - Intermediate.< 1 hour - Learn about nested classes, encapsulation, and shadowing in Java. - Intermediate.1 hour - Learn about regex, or regular expressions, and how to work with them in Java. - Intermediate.1 hour - Dive into the dangerous world of AI phishing and learn how to protect yourself from attacks and misinformation.

With Certificate - Beginner Friendly.1 hour Related resources Related projects - Practice projectC++ • Computer science Task Manager Test your knowledge of lambda functions by improving a task manager!More guidance, 60 min - Practice projectC++ • Computer science Restaurant Database Build a Restaurant Database System using C++ streams.

In this project, you’ll create a menu-driven app that lets users add, view, save, and load restaurant data with dynamic menus, all while practicing file handling, input validation, and stream formatting.More guidance, 60 min - Practice projectC++ • Computer science Master the Palette Make an intuitive color mixing program using operator overloading!More guidance, 60 min - Practice projectC++ • Computer science Digital Art Gallery Build a Digital Art Gallery in C++ to learn constructors, dynamic memory management, and object-oriented design through managing artworks, exhibitions, and sales.More guidance, 60 min Related articles - Article What is DSA?

Understanding Data Structures and Algorithms Learn what is DSA with a clear guide to data structures, algorithms, their types, and real-world applications. - Article Longest Increasing Subsequence (LIS) Explained Learn how to solve longest increasing subsequence (LIS). Explore brute-force, DP, and binary search solutions with code examples. - Article A Complete Guide to Dijkstra’s Shortest Path Algorithm Learn Dijkstra’s algorithm with step-by-step example, Python implementation, time complexity, and real-world applications. - Article Breadth-First Search (BFS) Algorithm Explained Master breadth-first search (BFS) with this beginner-friendly guide.

Computer Science Courses Tutorials Codecademy

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