29 interview questions on Go for developers (2026)

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control flow

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garbage collector

architecture

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29 interview questions on Gofor developers (2026)

Test your technical skills before an interview of Go with 29 corrected questions. Beginner, Intermediate or Expert level.

29 interview questions on Gofor developers (2026)

Test your technical skills before an interview of Go with 29 corrected questions. Beginner, Intermediate or Expert level.

Write a Go program that prints 1 if test is true, and 0 otherwise.

What is the equivalent of undefined in Go?

Iterate over a slice in Go

Write a Go program that prints the string "Hello World" to the console.

What is the default value of a variable in Go?

What are the two files that are created when you run go mod init?

Accessing a private field in Go

Write a Go program that prints the numbers from 1 to 10

How to use goroutines in Go

How to add an element to a slice in Go

Write a Go program that prints the following lines to the console: line 1, line 2, line 3, line 4

Go is a statically typed, compiled language designed at Google that makes it easy to build simple, reliable, and efficient software.

Create a struct in Go

Which data type can store any value in Go?

How to define a function in Go

Declare a variable of type int64 and containing the value 42 in Go

What bug will occur with the code below ? ```go ctx = context.WithValue(ctx, "userID", 42) // ... in another package: id, _ := ctx.Value("userID").(int) ```

The code below contains a flaw can you point towards it? ```Go func worker(id int, wg sync.WaitGroup) { defer wg.Done() println("worker", id) } func main() { var wg sync.WaitGroup for i := 0; i < 3; i++ { wg.Add(1) go worker(i, wg) } wg.Wait() } ```

What happens when this code is executed? ```Go func main() { var a chan int b := make(chan int, 1) select { case v := <-a: fmt.Println("a", v) case v := <-b: fmt.Println("b", v) } } ```