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  Xamarin is a software vendor that sells Mono framework to run .NET code on Android and iOS.

    

What are the default values for bool, int, double, string, char, reference-type variables?

When the objects of the following types are declared, then they have a default value during declaration. The following table shows the default value for each type:

TypeDefault Value
boolfalse
int0
double0
stringnull
char'\0'
Reference Typenull

Protected Internal  Array  Sort Array  Throw  Multiple Catch  Polymorphism  Inheritance  Session Viewstate  Autogenerate  ReadOnly  Sealed Class  Sealed Method  Multiple Interfaces  Overloading  Overloaded Constructors  Generics  Main  Case Sensitive  Console  Specifier  Return Type  SetCommandLineArgs  System Environment  New  Default Values of Types Compiler Error Constant Variable Const Const - ReadOnly Parameter Modifier Out Ref Interface Interface Reference, is, as System.Collection

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Dotnetuncle's Tip:

  If a field of a class is set as static, this field only operates on this type, not on this type's instance.