Go

1. Go Syntax Overview Code Structure In Go, code is organized into packages, which are containers for related code files. Every Go file starts with a package declaration and typically imports other packages needed to execute the code. package main import "fmt" // Importing the 'fmt' package for formatted I/O func main() { fmt.Println("Hello, Go!") } package main: This declares that your file is part of the main package (used for executable programs). import "fmt": Imports the fmt package to use functions like fmt.Println() to output text. func main(): Defines the main function, which is where your program starts. 2. Variables in Go In Go, you can declare variables using the var keyword or use short declaration syntax. Here’s how you do it: ...

Hello World in Go — Breaking Down Your First Program If you’re new to Go (also called Golang), the best way to start is by writing the classic Hello World program. It’s simple, yet it teaches you the basic structure of every Go program. Let’s walk through it step by step. Writing Your First Go Program Here’s the complete code: package main import "fmt" func main() { fmt.Println("Hello, World!") } Now, let’s break it down. ...

1. The Go Workspace: What Is It? A Go workspace is just the environment where your Go projects live and run. It includes: Your Go code. Go tools (like the compiler and formatter). Dependencies (packages your code needs). Think of it as the “home” for all your Go programming. 2. GOROOT — Where Go Itself Lives GOROOT is where the Go programming language is installed on your computer. It contains: ...

1. Download and Install Go Visit the official Go website: 👉 https://go.dev/dl/ Download the installer for your operating system: Windows (.msi) macOS (.pkg) Linux (.tar.gz) Run the installer and follow the default installation steps. Verify installation: Open a terminal and run: go version You should see output like: go version go1.22.0 linux/amd64 2. Set Up Environment Variables (Optional) GOROOT: Path where Go is installed (usually set automatically). GOPATH: Your workspace directory for Go projects (default is $HOME/go). ✅ Today, if you use Go Modules, you don’t need to worry much about GOPATH! ...

Golang, or Go, created by Google, has quietly become one of the most powerful tools in a developer’s toolbox. In 2025, it’s more relevant than ever. Whether you’re a backend developer, cloud engineer, or someone eyeing high-performance microservices, learning Go this year is a strategic move. Here’s why. 1. Go Is Built for the Cloud-Native Era Most of today’s cloud infrastructure is powered by Go. From Docker to Kubernetes, Go’s concurrency model and performance make it a natural choice for building scalable and reliable systems. ...