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C# Lesson 3 - Variables and Data Types

There are many types of data, the following are just a few to get us started

Data type

Description

Example

integer

Whole Numbers

1,2,3,4…

boolean

Two values

True or False

char

A single character

‘m’

String

A sequence of characters

“Menu”

float

A number with a floating point

3.142

double

A number with a floating point, but double the precision of a float

3.14159265

 

There are other aspects to consider when selecting data types, such as how much data can it store? But we will cover that later.

Quick Quiz

Which data type would you choose to store the score of a game?

Which data type would you choose to a player’s name?

Which data type would you choose to store if a player was alive or dead?

 

Let’s see it in practice, Create a new console project and enter the following code.

  

   

Activity

Edit the code so you “The User” can input the name and score.

Hint: Use Console.Readline()