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Golang interview questions

Golang interview questions.

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  • 1.

    Is Go a new language, framework or library?

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  • 2.

    What is Go?

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  • 3.

    What is static type declaration of a variable in Go?

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  • 4.

    What are some advantages of using Go?

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  • 5.

    What kind of type conversion is supported by Go?

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  • 6.

    Can you declared multiple types of variables in single declaration in Go?

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  • 7.

    Why the Go language was created?

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  • 8.

    What are Goroutines?

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  • 9.

    Does Go have exceptions?

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  • 10.

    What are the benefits of using Go programming?

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  • 11.

    What is a pointer?

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  • 12.

    Can you return multiple values from a function?

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  • 13.

    What is dynamic type declaration of a variable in Go?

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  • 14.

    How to efficiently concatenate strings in Go?

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  • 15.

    Explain this code

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  • 16.

    Let's talk variable declaration in Go. Could you explain what is a variable "zero value"?

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  • 17.

    Have you worked with Go 2?

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  • 18.

    What would you do if you need a hash displayed in a fixed order?

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  • 19.

    How to copy map in Go?

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  • 20.

    Name some advantages of Goroutines over threads

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  • 21.

    Is Go an object-oriented language?

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  • 22.

    What is so special about constants in Go?

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  • 23.

    What is the difference between C.sleep() and time.Sleep()?

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  • 24.

    How do you swap two values? Provide a few examples.

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  • 25.

    What is "rune" type in Go?

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  • 26.

    Can Go have optional parameters?

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  • 27.

    How to check if a map contains a key in Go?

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  • 28.

    What are the differences between unbuffered and buffered channels?

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  • 29.

    What is the preferred way to handle configuration parameters for a Go program?

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  • 30.

    What is the difference between the = and := operator?

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  • 31.

    How to initialise a struct in Go?

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  • 32.

    Why would you prefer to use an empty struct{}?

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  • 33.

    Is there a foreach construct in the Go language?

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  • 34.

    Implement a function that reverses a slice of integers

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  • 35.

    What is an idiomatic way of representing enums in Go?

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  • 36.

    What are the use(s) for tags in Go?

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  • 37.

    How can I check if two slices are equal?

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  • 38.

    List the functions can stop or suspend the execution of current goroutine, and explain their differences.

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  • 39.

    When is the init() function run?

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  • 40.

    What is the difference, if any, in the following two slice declarations, and which one is more preferable?

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  • 41.

    What is $GOROOT and $GOPATH?

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  • 42.

    Briefly describe how GC works in GO?

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  • 43.

    How does Go compile so quickly?

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  • 44.

    How to find a type of an object in Go?

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  • 45.

    When go runtime allocates memory from heap, and when from stack?

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  • 46.

    How to compare two interfaces in Go?

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  • 47.

    What is the malloc threshold of Map object? How to modify it?

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  • 48.

    What is the idiomatic Go equivalent of C's ternary operator?

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  • 49.

    What might be wrong with the following small program?

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11 Reactive Systems interview questions and answers for software engineers

Reactive systems are an architectural style that allows multiple individual applications to blend into one unit, reacting to their environment, while staying aware of each other. Here is a list of coding interview questions on Reactive Systems to help you get ready for your next data struc...

. Reactive Systems
34 Microservices interview questions and answers for software engineers

Microservice architecture – a variant of the service-oriented architecture structural style – arranges an application as a collection of loosely coupled services. In a microservices architecture, services are fine-grained and the protocols are lightweight. Here is a list of coding intervie...

. Microservices
7 Layering & Middleware interview questions for developers

Middleware in the context of distributed applications is software that provides services beyond those provided by the operating system to enable the various components of a distributed system to communicate and manage data. Middleware supports and simplifies complex distributed application...

. Layering & Middleware
55 Docker interview questions and answers for software engineers

Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. Here is a list of coding interview questions on Docker to help you get ready for your next data structures interview in 2021.

. Docker
23 Databases interview questions and answers for software engineers

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. Here is a list of coding interview questions on Databases to help you g...

. Databases
21 Concurrency interview questions and answers for software engineers

In computer science, concurrency is the ability of different parts or units of a program, algorithm, or problem to be executed out-of-order or in partial order, without affecting the final outcome. Here is a list of coding interview questions on Concurrency to help you get ready for your n...

. Concurrency
13 CAP Theorem interview questions and answers for software engineers

In theoretical computer science, the CAP theorem, also named Brewer's theorem after computer scientist Eric Brewer, states that it is impossible for a distributed data store to simultaneously provide more than two out of the following three guarantees: Consistency: Every read receives the ...

. CAP Theorem
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