Golang Interview Questions and Answers
An open-source programming language developed by Google, Go is designed for building fast and reliable applications. It is a statically-typed language that has a similar syntax to C. This information has been asked quite a few times recently in Golang interview questions. Some of its main features include dynamic typing, rich library, a documentation engine called GoDoc that is used by the entire Go community, static code analysis, and built-in testing tools that are simple and efficient.
| Quick Facts About Go Programming | |
|---|---|
| What is the latest version of Go? | 1.14.4 released on 1st June 2020. |
| When did Go programming release? | 10th November 2009. |
| Who is the developer of Golang? | It is designed at Google and developed by Robert Griesemer, Rob Pike, and Ken Thompson. |
| What language does Golang use? | The former was written in C but now written in Go itself. |
Most Frequently Asked Golang Interview Questions
Here are some of the built-in supports:
- Container: container/list,container/heap
- Web Server: net/http
- Cryptography: Crypto/md5 ,crypto/sha1
- Compression: compress/ gzip
- Database: database/sql
Break statement: It terminates the “for” loop or switch statement and transfers execution following the “for” loop or switch.
Continue statement: It helps the loop to omit the remainder of its body and retest before repeating.
Goto statement: It transfers control to the statement
Every GO program is built of packages that are used to organize source code for readability and reusability. Packages make it easy to maintain applications. The abbreviation for a package is “fmt”.
No. Maps are reference types.
It is used for loop to iterate over items of slice array, map or channel.
A particular type known as type switch is used to check variable type at runtime and switch.
When a pointer is assigned “nil”, it called a nil pointer. It is a constant with a “zero” value defined in standard libraries.
Godoc extracts package documentation from the source code that can be utilized on the command line or the web. An instance is golang.org/pkg/.
Advantages
- Concise, simple to work and Scalable
- Built-in support for other applications
- Good speed across platforms like OS X, Linux, and Windows.
- Ability to cross-compile the application to run on different devices than the ones used for development
- Automatic management of memory
Are you looking for Golang Interview Questions? As a developer, you would want to know the best possible Questions that you might be asked in your Job Interview.