defaultvariables.md - brainchildservices/curriculum GitHub Wiki

Slide 1

The following table shows the default values of C# Variables:

Variables	Default value
int	0 (zero)
double	0 (zero)
char	'\0' (U+0000)
string	Null
bool	False

Slide 2

Eg:-

 using System;

 namespace Pluralsight
 {
          public class DefValues
          {           
         public static void Main()
         {
             int a = default;
             double c = default;
             char myLetter = default;
             string d = default;
             bool e = default;
             Console.WriteLine($"The variable: {nameof(a)} has value: {a}");
             Console.WriteLine($"The variable: {nameof(b)} has value: {b}");
             Console.WriteLine($"The variable: {nameof(c)} has value: {c}");
             Console.WriteLine($"The variable: {nameof(d)} has value: {d}");
             Console.WriteLine($"The variable: {nameof(e)} has value: {e}");

             Console.ReadKey();
         }
     }
 }

Slide 3

The output produced by the app is as follows.

 The variable: a has value: 0
 The variable: b has value: 0
 The variable: c has value: '\0'
 The variable: d has value: Null
 The variable: e has value: false