Tour of Go
Get Go-ready for real-world tasks—hands-on coding with beginner-friendly IDE support.
About
Content
- About
- Packages
- Imports
- Exported names
- Functions
- Functions continued
- Multiple results
- Named return values
- Variables
- Variables with initializers
- Short variable declarations
- Basic types
- Zero values
- Type conversions
- Type inference
- Constants
- Numeric Constants
- For
- For continued
- For is Go's "while"
- Forever
- If
- If with a short statement
- If and else
- Exercise: Loops and Functions
- Switch
- Switch evaluation order
- Switch with no condition
- Defer
- Stacking defers
- Pointers
- Structs
- Struct Fields
- Pointers to structs
- Struct Literals
- Arrays
- Slices
- Slices are like references to arrays
- Slice literals
- Slice defaults
- Slice length and capacity
- Nil slices
- Creating a slice with make
- Slices of slices
- Appending to a slice
- Range
- Range continued
- Exercise: Slices
- Maps
- Map literals
- Map literals continued
- Mutating Maps
- Exercise: Maps
- Function values
- Function closures
- Exercise: Fibonacci closure
- Methods
- Methods are functions
- Methods continued
- Pointer receivers
- Pointers and functions
- Methods and pointer indirection
- Methods and pointer indirection (2)
- Choosing a value or pointer receiver
- Interfaces
- Interfaces are implemented implicitly
- Interface values
- Interface values with nil underlying values
- Nil interface values
- The empty interface
- Type assertions
- Type switches
- Stringers
- Exercise: Stringers
- Errors
- Exercise: Errors
- Readers
- Exercise: Readers
- Exercise: rot13Reader
- Images
- Exercise: Images
- Type parameters
- Generic types
- Goroutines
- Channels
- Buffered Channels
- Range and Close
- Select
- Default Selection
- Exercise: Equivalent Binary Trees
- sync.Mutex
- Exercise: Web Crawler
- Where to Go from here...
What do you need to start?
Install the free JetBrains Toolbox App
The JetBrains Toolbox App 2.7+ makes setting up your course effortless. Already have a compatible IDE? It will launch it. If not, the app will install the right IDE for your course.
Learn more about our licenses here.
Confirm the course launch
Click Take course and then Allow to open the Toolbox App.
Select Always Allow to skip this confirmation in the future.
To return to the course later, find it in your IDE's recent projects.
Need more help? Check out our guide.
Click Take course and then Allow to open the Toolbox App.
Select Always Allow to skip this confirmation in the future.
To return to the course later, find it in your IDE's recent projects.
Need more help? Check out our guide.
FAQ and troubleshooting
Yes, you will need the JetBrains Toolbox App and a JetBrains IDE.
Just click this link to install the JetBrains Toolbox App. We've taken care of all the necessary settings, and the app will handle the rest of the setup for you.
The JetBrains Toolbox App checks which IDE is compatible with your course and whether it is installed on your computer. If you have the necessary IDE installed, the app will open it. If not, JetBrains Toolbox will initiate the installation, prioritizing free community editions.
Yes, the JetBrains Toolbox App is essential, even if you already have a JetBrains IDE. It automatically prepares your IDE for studying by installing the required plugins and updating the IDE if necessary.
Please make sure you have the latest version of the JetBrains Toolbox App. To update, open the app and click Update Toolbox App, or download the latest version here.
If you’re using a Chrome-based browser, please also allow Find devices on local networks in the popup that appears on the course page. When this permission is granted, the page will detect when the Toolbox App opens on your system and you’ll be able to open the course properly.
Yes! It's 100% free and works with both the free and paid versions of JetBrains IDEs.
If you're a student, apply for the Student Pack to get full access to JetBrains IDEs for the duration of your studies. If not, check if you qualify for a free non-commercial license.