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Accessing Array Elements

Part of the Fundamentals section of Coddy's GO journey — lesson 70 of 109.

To access array elements, use square brackets with an index number. Array indices start at 0.

Create an array of names:

names := [3]string{"Alex", "Beth", "Carlos"}

Access individual elements:

firstPerson := names[0]
secondPerson := names[1]
fmt.Println(firstPerson)
fmt.Println(secondPerson)

This displays:

Alex
Beth

You can also modify elements:

names[2] = "Charlie"
fmt.Println(names[2])

This outputs:

Charlie

Challenge

Beginner

In this challenge, you'll practice accessing elements from an array in Go. We've created an array of fruits, and your task is to access specific elements and print them.

Complete the code to:
1. Access the first fruit in the array
2. Access the third fruit in the array
3. Print both fruits using fmt.Println

Try it yourself

package main

import "fmt"

func main() {
    // This is our array of fruits
    fruits := [5]string{"apple", "banana", "cherry", "date", "elderberry"}
    
    // TODO: Create a variable called firstFruit and assign it the first element of the fruits array
    
    // TODO: Create a variable called thirdFruit and assign it the third element of the fruits array
    
    // Print the fruits
    fmt.Println("The first fruit is:", firstFruit)
    fmt.Println("The third fruit is:", thirdFruit)
}

Test yourself

This lesson includes a short quiz. Start the lesson to answer it and track your progress.

All lessons in Fundamentals

1Introduction to Go

What is Go?Hello World Println Go Comments

4Comparison & Logical Operators

Comparison Operators - Part 1 Comparison Operators - Part 2 Logical AND Operator Logical OR Operator Logical NOT Operator Operator Precedence Basics Recap - Making Comparisons

7Control Flow: Loops

What The `for` Loop Explained For Loop - Basic For Loop - Condition Only The `break` Keyword The `continue` Keyword Nested Loops Recap - Repeating Actions

10Composite Types: Arrays

Introduction to Arrays Declaring Arrays Initializing ArraysAccessing Array ElementsArray Length with `len`Iterating Over Arrays Multi-dimensional Arrays

13Composite Types: Structs

Defining Custom Types Creating Struct Instances Accessing Struct Fields Pointers to Structs Initializing Structs Embedded Structs Anonymous Structs Recap - Custom Data Structures

2Variables and Basic Data Types

What is a variable Type Inference with `:=`Integers (int)Floating-Point Numbers Booleans Strings Zero Values Constants Naming Conventions Recap - Variables and Types

5Basic Input/Output

Formatted Output Format Verbs Printing Types Getting Basic User Input Recap - Input and Output

8Functions

Understanding Functions Declaring a Function Calling Functions Function Parameters Returning a Single Value Returning Multiple Values Named Return Values Function Scope Basics Recap - Creating Reusable Code

11Composite Types: Slices

Introduction to Slices Declaring Slice Literals Creating Slices with `make`Slice Length vs Capacity Accessing Slice Elements Appending Elements Slicing Existing Slices/Arrays Iterating Over Slices Copying Slices Recap - Dynamic Lists

14Basic Error Handling

The Concept of Errors The `error` Interface Functions Returning Errors Checking for Errors Creating Simple Errors Creating Formatted Errors Basic Error Handling Recap - Handling Problems