30 Golang Basic Exercises for Beginners with Solutions

Master beginner Golang skills with our comprehensive list of top 30 exercises. Dive into coding challenges that improve your understanding and proficiency in Golang, setting a solid foundation for intermediate challenges. Start your journey to Golang mastery today!

Learning Objectives:

Learn the basics of Go, including syntax, variables, data types, control structures, and functions to build simple programs.

Exercise Instructions:

Start with the first exercise and attempt to solve it before checking the hint or solution.
Ensure you understand the logic behind each solution, as this will help you in more complex problems.
Use these exercises to reinforce your learning and identify areas that may require further study.

1. Write a Go program to print "Hello, World!" to the console.

Required Input:

No input required.

Expected Output:

Hello, World!

Code In Go

package main import "fmt" func main() { // Add code to print "Hello, World!" below }

Run Code?

Click Run Button to view compiled output

2. Create a Go program to declare a variable name and assign your name, then print it.

Required Input:

No input required.

Expected Output:

John

Code In Go

package main import "fmt" func main() { // Declare a variable and print its value }

Run Code?

Click Run Button to view compiled output

3. Write a Go program to calculate the sum of two integers a = 5 and b = 10.

Required Input:

No input required.

Expected Output:

Code In Go

package main import "fmt" func main() { // Calculate the sum of two integers and print the result }

Run Code?

Click Run Button to view compiled output

4. Create a Go program to check if a number is even or odd.

Required Input:

A predefined integer number = 7.

Expected Output:

Odd

Code In Go

package main import "fmt" func main() { // Check if a number is even or odd }

Run Code?

Click Run Button to view compiled output

5. Write a Go program to print numbers from 1 to 10 using a for loop.

Required Input:

No input required.

Expected Output:

1 2 3 4 5 6 7 8 9 10

Code In Go

package main import "fmt" func main() { // Use a for loop to print numbers from 1 to 10 }

Run Code?

Click Run Button to view compiled output

6. Create a Go program to demonstrate the use of the if statement by checking if a variable x = 20 is greater than 10.

Required Input:

A predefined variable x = 20.

Expected Output:

x is greater than 10.

Code In Go

package main import "fmt" func main() { // Use an if statement to check the condition }

Run Code?

Click Run Button to view compiled output

7. Write a Go program to declare an array of integers and print the second element.

Required Input:

An array of integers (e.g., [1, 2, 3, 4, 5]).

Expected Output:

Code In Go

package main import "fmt" func main() { // Declare an array and print the second element }

Run Code?

Click Run Button to view compiled output

8. Create a Go program to concatenate two strings firstName = "John" and lastName = "Doe".

Required Input:

Two predefined strings.

Expected Output:

John Doe

Code In Go

package main import "fmt" func main() { // Concatenate two strings and print the result }

Run Code?

Click Run Button to view compiled output

9. Write a Go program to find the length of a string text = "Go is great!".

Required Input:

A predefined string.

Expected Output:

Code In Go

package main import "fmt" func main() { // Find the length of the string and print it }

Run Code?

Click Run Button to view compiled output

10. Create a Go program to declare a function greet() that prints "Welcome to Go!".

Required Input:

No input required.

Expected Output:

Welcome to Go!

Code In Go

package main import "fmt" func greet() { // Write the function body to print the greeting message } func main() { // Call the greet function }

Run Code?

Click Run Button to view compiled output

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