Lesson 3: Basic Data Types in C# – int, float, string, bool and more

Explore our comprehensive collection of Basic Data Types C# Programming Exercises! Designed to provide hands-on practice with fundamental data types in C#, these exercises are perfect for beginners looking to solidify their understanding of variables, numbers, strings, and more. Each exercise offers a structured approach to learning, guiding you through the nuances of working with data types in C#. Whether you're just starting out or looking to reinforce your skills, these exercises will help you build a strong foundation in C# programming. Dive in and start honing your skills today!

Basic Data Types Exercises in C# Programming Course

Improve your C# programming skills with the exercises focused on basic data types. Learn how to work with variables, strings, and numbers in C# today!



 Char
Write a C# program to ask the user for three letters and display them in reverse order....
 Triangle
Write a C# program that prompts for a symbol and a width, and displays a triangle of that width, using that number for the inner symbol, as in this ex...
 Password as string
Write a C# program to ask the user for their username and password (both should be strings) and repeat it as many times as necessary until the entered...
 Password 5 attempts
Write a C# program that prompts the user for their username and password. Both should be strings. After 5 incorrect attempts, the user will be rejecte...
 Calculator - if
Write a C# program that asks the user for two numbers and an operation to perform on them (+,-,*,x,/) and displays the result of that operation, as in...
 Calculator - switch
Write a C# program that asks the user for two numbers and an operation to perform on them (+,-,*,x,/) and displays the result of that operation, as in...
 Double
Write a C# program that calculate the perimeter, area, and diagonal of a rectangle, given its width and height. (Hint: use y = Math.Sqrt(x) to calc...
 Calculate values of a function
Write a C# program in C# to display certain values of the function y = x^2 - 2x + 1 (using integer numbers for x, ranging from -10 to +10)...
 Display a function
Write a C# program to "draw" the graphic of the function y = (x-4)2 for integer values of x ranging -1 to 8. It will show as many asterisks on screen ...
 Float, speed units
Write a C# program to ask the user for a distance (in meters) and the time taken (as three numbers: hours, minutes, seconds), and display the speed, i...
 Sphere, float
Write a C# program that calculate the surface area and volume of a sphere, given its radius (surface area = 4 * pi * radius squared; volume = 4/3 * pi...
 Vowel - switch
Write a C# program to ask the user for a symbol and respond whether it is a vowel (in lowercase), a digit, or any other symbol, using "switch"....
 Vowel - if
Write a C# program to ask the user for a symbol and respond if it's a vowel (in lowercase), a digit, or any other symbol, using "if"....
 Triangle, NorthEast
Write a C# program which asks for a width, and displays a triangle like this one: Enter the desired width: 5 ***** _**** __*** ___** ____*...
 Prime factors
Write a C# program that displays a number (entered by the user) as a product of its prime factors. For example, 60 = 2 · 2 · 3 · 5 (Hint: it can be...
 If, symbols
Write a C# program to ask the user for a symbol and answer if is an uppercase vowel, a lowercase vowel, a digit or any other symbol, using "if"....
 Char + for
Write a C# program to write the letters "B" to "N" (uppercase), using "for"...
 Double, approximation of Pi
Write a C# program to calculate an approximation for PI using the expression: pi/4 = 1/1 - 1/3 + 1/5 -1/7 + 1/9 - 1/11 + 1/13 ... The user will ...
 Perimeter Area
Write a C# program to calculate the perimeter, area and diagonal of a rectangle from its width and height (perimeter = sum of the four sides, area = b...
 Hexadecimal and binary
Write a C# program to ask the user for a number an display it both in hexadecimal and binary. It must repeat until the user enters 0....
 Binary
Write a C# program that asks the user for a decimal number and displays its equivalent in binary form. It should be repeated until the user enters the...
 Conditional and boolean
Write a C# program that uses the conditional operator to give a boolean variable named "bothEven" the value "true" if two numbers entered by the user ...
 Exceptions V2
Write a C# program to ask the user for a real number and display its square root. Errors must be trapped using "try..catch". Does it behave as you ...