Go-Fundamentals

Hello World in Go

Every programming journey starts with Hello World. Let’s write our first Go program.

The Code

Create a file named hello.go:

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package main

import "fmt"

func main() { …

Variables and Types in Go

Go takes a pragmatic approach to variables and types. It is statically and strongly typed, meaning every variable has a fixed type determined at compile time, but Go’s type inference often lets …

Operators in Go

Operators are the verbs of a programming language — the symbols that combine values and variables into expressions. Go’s operator set is deliberately small and conventional, inheriting most of …

Control Flow in Go

Control flow determines the order in which your program’s statements run. It is how a program makes decisions and repeats work. Go takes a deliberately minimal approach here: where most …

Functions in Go

Functions are the fundamental building blocks of Go programs. They package reusable logic, accept inputs through parameters, and hand results back through return values. Beyond the entry point func …

I/O Operations in Go

Input and output are how a program talks to the outside world — the terminal, files, and other processes. Go handles I/O through a small set of well-designed packages built around simple interfaces ( …