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Go

Go

Go is a compiled, open source programming language with a small, consistent syntax, a powerful standard library, and fantastic tooling. It's a great fit for web backends and command-line tools.

Master Go with
Interactive Learning

Elevate your Go skills through 177 curated exercises across 29 core concepts. Master problem-solving with a structured learning path designed for modern developers.

Go

About Go

Fans of Go (called gophers) describe Go as having the expressiveness of dynamic languages like Python or Ruby, with the performance of compiled languages like C or C++.

The language is open source, and was started by engineers at Google. It's written using a C-style syntax, has statically typed variables, manages memory using garbage collection, and is compiled into stand-alone executables.

Go is noted for the concurrent programming features built into the language core, the networking packages in the standard library (such as a web server), fast compilation and execution speed. Its simple, minimalistic and consistent language design make for a delightful experience, while the abundant and thoughtful tooling addresses traditional problems such as consistent formatting and documentation.

The home page for Go is go.dev, and there is an excellent interactive tutorial at tour.go.dev.

Key Features of Go

Speed

Go is fast for computers and humans. Go provides fast compilation, testing, package mgmt, and more

Concurrency

Go's concurrency mechanisms make it easy to write programs for multicore and networked machines

Statically Typed

Go's type system is expressive yet lightweight, enabling flexible and modular program construction

Portable

Go compiles to a single static executable, and cross-compilation is easy

Minimal

Go's design reduces clutter and complexity. Your favorite feature may be missing, by design!

Modern

Go has > 1 million developers and every major cloud provider uses core infrastructure written in Go

Track icon

Speed

Go is fast for computers and humans. Go provides fast compilation, testing, package mgmt, and more

Concurrency

Go's concurrency mechanisms make it easy to write programs for multicore and networked machines

Statically Typed

Go's type system is expressive yet lightweight, enabling flexible and modular program construction

Portable

Go compiles to a single static executable, and cross-compilation is easy

Minimal

Go's design reduces clutter and complexity. Your favorite feature may be missing, by design!

Modern

Go has > 1 million developers and every major cloud provider uses core infrastructure written in Go

A taste of Go concepts you'll cover

Ba

Basics

Bo

Booleans

Co

Comments

Ar

Arithmetic Operators

Nu

Numbers

St

Strings

St

Strings Package

Co

Comparison

Co

Conditionals If

St

String Formatting

Pa

Packages

Sl

Slices

Va

Variadic Functions

Co

Conditionals Switch

St

Structs

Ra

Randomness

Fo

For Loops

Fu

Functions

Fl

Floating-Point Numbers

Ti

Time

Ma

Maps

Po

Pointers

Ra

Range Iteration

Ty

Type Definitions

Ru

Runes

Me

Methods

Co

Constants

Re

Regular Expressions

Ze

Zero Values

In

Interfaces

Er

Errors

St

Stringers

Ty

Type Assertion

Ty

Type Conversion

Fi

First Class Functions

Mu

Multiple Return Values

Va

Variables

Er

Error Wrapping

Dive into Go practice challenges

Accumulate
Accumulate
Level 1

Implement the `accumulate` operation, which, given a collection and an operation to perform on each element of the collection, returns a new collection containing the result of applying that operation to each element of the input collection.

Binary
Binary
Level 1

Convert a binary number, represented as a string (e.g. '101010'), to its decimal equivalent using first principles

Counter
Counter
Level 1

Design a test suite for a line/letter/character counter tool.

Hello World
Hello World
Level 1

SlaveCode's classic introductory exercise. Just say "Hello, World!".

Hexadecimal
Hexadecimal
Level 1

Convert a hexadecimal number, represented as a string (e.g. "10af8c"), to its decimal equivalent using first principles (i.e. no, you may not use built-in or external libraries to accomplish the conversion).

Octal
Octal
Level 1

Convert a octal number, represented as a string (e.g. '1735263'), to its decimal equivalent using first principles (i.e. no, you may not use built-in or external libraries to accomplish the conversion).