Golang / GoLang Basics Interview Questions
What is Go and why was it created at Google?
Go (also called Golang) is an open-source, statically typed, compiled programming language designed at Google by Robert Griesemer, Rob Pike, and Ken Thompson. It was announced in 2009 and reached version 1.0 in 2012.
The creators were frustrated with the tools available at Google. C++ compile times were painfully slow on massive codebases, Java was verbose and required heavy infrastructure, and dynamically typed languages lacked compile-time safety. They wanted a language that combined the performance of C, the readability of Python, and first-class support for concurrency on multicore hardware.
| Goal | How Go achieves it |
|---|---|
| Fast compilation | Simple grammar, no header files, dependency graph resolved at compile time — even large codebases compile in seconds |
| Readable code | Minimal syntax, one way to do most things, gofmt enforces consistent formatting |
| Built-in concurrency | Goroutines and channels are language primitives, not library add-ons |
| Memory safety | Garbage collector, bounds checking, no manual malloc/free |
| Simple deployment | go build produces a single statically linked binary with no runtime dependencies |
// A complete Go program
package main
import "fmt"
func main() {
fmt.Println("Hello, World!")
}Go is the language behind Docker, Kubernetes, Terraform, and many cloud-native tools. Companies like Google, Uber, Dropbox, and Cloudflare use it extensively for high-throughput backend services and CLI tooling.
Invest now in Acorns!!! 🚀
Join Acorns and get your $5 bonus!
Acorns is a micro-investing app that automatically invests your "spare change" from daily purchases into diversified, expert-built portfolios of ETFs. It is designed for beginners, allowing you to start investing with as little as $5. The service automates saving and investing. Disclosure: I may receive a referral bonus.
Invest now!!! Get Free equity stock (US, UK only)!
Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.
The Robinhood app makes it easy to trade stocks, crypto and more.
Webull! Receive free stock by signing up using the link: Webull signup.
More Related questions...
