Tutorials

	Hello world Creator: Jeremy Keeshin How to write your first program in a few different languages Share
	Visualizing Music with JavaScript Creator: Calvin Studebaker Step by step guide to creating your own music visualizations with JavaScript! Share
	Don't Fall for a Phishing Email! Creator: Jennifer Campbell Phishing is a method used to gather personal information such as usernames and passwords using deceptive emails and websites. Learn how to recognize and avoid these types of malicious emails in this tutorial! Share
	Printing in Java Creator: Evelyn Hunter Learn how to print values to the console using Java! Share
	Arrays in Java Creator: Evelyn Hunter Learn how to store data in increasingly complex ways! Share
	How Strong is Your Password? Creator: Jennifer Campbell What are some ways that you keep your personal data secure and private? Do you use strong passwords? How would you rate the strength of your passwords? In this tutorial, learn how to create a password that can combat hacking attempts such as brute force attacks, dictionary attacks, and algorithm attacks. Share
	File I/O in Java Creator: David Burnham Share
	Java Swing Mouse Events Creator: David Burnham In this tutorial, students will look at mouse events in Java Swing. The tutorial assumes some understanding of Java, including ArrayLists and basic Java Swing. Students will create circle objects and use both mouse move and mouse click events. Share
	Into to JS (Corgi) Updates Creator: Ryan Hart Learn about some of the major changes in the new Intro to JavaScript (Corgi) course! Share
	Understand the Java String Pool Creator: David Burnham For many, the Java String Pool remains a slight mystery. In this tutorial, you will take a deeper dive into understanding how the String pool works and when Java uses the String pool versus creating a separate object. Share
	Break and Continue in JavaScript Creator: Rachel Devaney Learn how to use the break and continue statements in your JavaScript programs. Share
	Unity Coding - Part 2 Creator: Matt Arnold You'll walk through the process of coding a Unity C# script in this tutorial series. This part adds script required to make a video game character run forward and instructions for testing a C# script file in Unity. Share
	Math Module in Python Creator: Ryan Hart Share
	Java Documentation - Basics Creator: Zach Galant Share
	Basic Functions in Python Creator: Ryan Hart Share
	Basic Recursion Creator: David Burnham This tutorial covers basic recursion in Java. The principles of recursion can be applied to any language. Share
	Loops in C++ Creator: David Burnham Share
	Arrays in JavaScript Creator: Rachel Devaney Learn how to create arrays in JavaScript as well as how to add, change, and remove items. Share
	Basic Math in JavaScript Creator: Ryan Hart Share
	Caesar and Vigenere Ciphers Creator: Jennifer Campbell In this tutorial, you will learn about two very early encryption systems known as the Caesar and the Vigenère ciphers. Share
	What's New in the CodeHS JavaScript Library? Creator: Andy Bayer We've updated our JavaScript exercises to use a new version of our JavaScript library. What's different? Share
	Try Catch In Java Creator: David Burnham This tutorial covers the basics of try and catch statements in Java. It is intended as an introduction to the concept and assumes some basic Java prior knowledge. Share
	What is Blockchain Creator: David Burnham This tutorial covers the basics of what blockchain technology is and how it works. It also will demonstrate a basic blockchain algorithm. Share
	CSS Art Creator: Matt Arnold Web designers use Cascading Style Sheets (CSS) language to create amazing interactive components on websites. Some artists enjoy creating web art with CSS - often animated art or realistic-looking objects. In this tutorial, you'll use CSS, and a little HTML, to play with emoji shapes and animations. Then take what you learn to create your own amazing CSS art. Share
	Using the Python Debugger Creator: Calvin Studebaker Learn how to use the pause-step Python Debugger on CodeHS Share
	Strong vs Bold in HTML Creator: Matt Arnold Learn about the differences between <strong> and <bold> tags and when to use different HTML5 semantic tags. Share
	Debugging in JavaScript Creator: Ryan Hart In this tutorial, you will learn techniques to help you successfully debug your JavaScript programs. Share
	Sample B No Scoring Creator: David Burnham Share
	C++ Iterators Creator: David Burnham Share
	Sample B CSP Performance Task Creator: David Burnham Share
	Intro to Brython - Calculator Creator: Zach Galant Share
	Python For Java Users Creator: David Burnham This tutorial is a very basic overview of Python for users that have Java experience. Share
	Sample A No Scoring Creator: David Burnham Share
	Using the Java Debugger Creator: Calvin Studebaker Learn how to use the pause-step Java Debugger on CodeHS Share
	Pygame with Karel - Part 3 Creator: Matt Arnold Learn about the Pygame Python module and how it can be used to create games in Python. In this tutorial series you'll use some basic Pygame functions to build a mouse-input game where Karel the dog catches falling tennis balls. Prerequisite: Knowledge of basic Python programming constructs including module imports. Share
	ArrayLists in Java Creator: Evelyn Hunter Learn how to create and use ArrayLists in your programs! Share
	Traversing Arrays in Java Creator: Evelyn Hunter Learn how to find what you're looking for in an array! Share
	Methods to Search Through Arrays Creator: Rachel Devaney Learn some helpful array methods that enable you to search through elements in an array: indexOf, includes(), find(), and filter(). Share
	Asynchronous Input Creator: Andy Bayer Get input in JavaScript programs without the popup! Share
	Sample A CSP Performance Task Creator: David Burnham Share
	Animate 3D Objects with Three.js Creator: Matt Arnold In this tutorial, you'll create an animated 3D model with the Three.js library. You'll use geometric shapes, an orbit control system, and an animation function to develop a rotating 3D object that users can explore. Share
	Programming Sprites in JavaScript Creator: Andy Bayer Animate sprites using JavaScript to create games in CodeHS Share
	Pygame with Karel - Part 2 Creator: Matt Arnold Learn about the Pygame Python module and how it can be used to create games in Python. In this tutorial series you'll use some basic Pygame functions to build a mouse-input game where Karel the dog catches falling tennis balls. Prerequisite: Knowledge of basic Python programming constructs including module imports. Share
	How to use the CodeHS JS Library on your Website 2 Creator: Andy Bayer This tutorial shows you how you can use the CodeHS Graphics JavaScript library outside of CodeHS on any website. Share
	Boolean Expressions in Python Creator: Evelyn Hunter An introduction to Boolean expressions in Python. Share
	Variables in JavaScript Creator: Rachel Devaney Learn the basics of variables in JavaScript. Share
	The Script Tag Creator: Evelyn Hunter Learn how to incorporate JavaScript code onto a website using the script tag. Share
	User Input in Java Creator: Evelyn Hunter Learn how to accept user input in Java. Share
	If/Else Statements in JavaScript Creator: Rachel Devaney Learn the basics of if/else statements in JavaScript. Share
	Encryption Ciphers Creator: Jennifer Campbell This tutorial goes over cryptography and a few well-known ciphers. Share