Go Tutorial - GeeksforGeeks (2025)

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Overview Fundamentals Control Statements Functions & Methods Structure Arrays & Slices String Pointers Interfaces Concurrency Similar Reads Overview Fundamentals Control Statements Functions & Methods Structure Arrays Slices Strings Pointers References

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Last Updated : 04 Feb, 2025

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Go or you say Golang is a procedural and statically typed programming language having the syntax similar toCprogramming language. It was developed in 2007 by Robert Griesemer, Rob Pike, and Ken Thompson at Google but launched in 2009 as an open-source programming language and mainly used in Google’s production systems. Golang is one of the most trending programming languages among developers. It provides a rich standard library, garbage collection, and dynamic-typing capability.

Overview

• Introduction to Golang
• Installing Golang on Windows
• Installing Golang on MacOS
• Hello World! in Golang
• Golang vs C++
• Golang vs Java
• Golang vs Python

Fundamentals

• Identifiers in Golang
• Keywords in Golang
• Data Types
• Variables
• Constants
• Rune in Golang
• Operators in Golang
• Scope of Variables
• Type Casting
• var Keyword in Golang
• Short Declaration Operator(:=)
• var keyword vs short declaration operator

Control Statements

• Decision Making Statements
• Loops in Golang
• Loop Control Statements
• Switch Statement in Go
• Deadlock and Default Case in Select Statement

Functions & Methods

• What are the Functions?
• Variadic Function
• Anonymous Function
• main and init function
• Function Arguments
• Function Returning Multiple Values
• Named Return Values
• Blank Identifier
• Defer
• Methods
• Methods With Same Name

Structure

• Structures
• Structure Equality
• Nested Structure
• Anonymous Structure and Fields
• Promoted Fields in Structure
• Promoted Methods in Structure
• Function as a Field in Structure

Arrays & Slices

• Arrays in Golang
• Copying an Array into Another Array in Golang
• Passing an Array to a Function in Golang
• Slices in Golang
• Slice Composite Literal
• Copying one Slice into another Slice
• Passing a Slice to Function
• Comparing two Slices in Golang
• Checking the Equality of Slices in Golang
• Sorting a Slice in Golang
• Trimming a Slice in Golang
• Splitting a Slice in Golang

String

• Strings in Golang
• Different ways to compare Strings
• Different ways to concatenate two strings
• Trimming a String in Golang
• Splitting a String in Golang
• Check if the given characters are present in String
• Repeating a String for Specific Number of Times
• Finding the index value of specified string
• Counting the Number of Repeated Characters in String

Pointers

• Pointers
• Pointer to Pointer (Double Pointer)
• Pointers to a Function
• Returning Pointer from a Function
• Pointer to an Array as Function Argument
• Pointer to Struct
• Comparing Pointers
• Finding the Capacity of the Pointer
• Finding the Length of the Pointer

Interfaces

• Interfaces
• Multiple Interfaces
• Embedding Interfaces
• Polymorphism Using Interfaces

Concurrency

• Goroutines – Concurrency
• Select Statement
• Multiple Goroutines
• Goroutine vs Thread
• Channel in Golang
• Unidirectional Channel in Golang

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Go Programming Language (Introduction)

K

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Article Tags :

• Programming Language
• Go Language
• Golang

Similar Reads

Go Tutorial Go or you say Golang is a procedural and statically typed programming language having the syntax similar to C programming language. It was developed in 2007 by Robert Griesemer, Rob Pike, and Ken Thompson at Google but launched in 2009 as an open-source programming language and mainly used in Google 2 min read

Overview

Fundamentals

Control Statements

Functions & Methods

Structure

Arrays

Slices

Strings

Pointers

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