Is it bool or Boolean in C#?

There is NO difference whatsoever. You may use either bool or Boolean with exactly the same results.

Does C# have Boolean?

For this, C# has a bool data type, which can take the values true or false .

What does bool mean in C#?

true or false
The bool type keyword is an alias for the . NET System. Boolean structure type that represents a Boolean value, which can be either true or false . To perform logical operations with values of the bool type, use Boolean logical operators. The bool type is the result type of comparison and equality operators.

How do you write a Boolean in C#?

One of them is ‘ bool . ‘ The ‘ bool ‘ type can store only two values: true or false . To create a variable of type bool, do the same thing you did with int or string . First write the type name, ‘ bool ,’ then the variable name and then, probably, the initial value of the variable.

Can a bool be null C#?

C# has two different categories of types: value types and reference types. Amongst other, more important distinctions, value types, such as bool or int, cannot contain null values.

What is default bool value in C#?

false
In this article

Type Default value
bool false
char ‘\0’ (U+0000)
enum The value produced by the expression (E)0 , where E is the enum identifier.
struct The value produced by setting all value-type fields to their default values and all reference-type fields to null .

How big is a bool in C#?

one byte
The actual size of a C# bool is one byte.

What’s the difference between bool and bool?

The values for a bool are true and false , whereas for BOOL you can use any int value, though TRUE and FALSE macros are defined in the windef. h header. This means that the sizeof operator will yield 1 for bool (the standard states, though, that the size of bool is implementation defined), and 4 for BOOL .

Can a Boolean be nullable?

Nullable boolean can be null, or having a value “true” or “false”. Before accessing the value, we should verify if the variable is null or not. This can be done with the classical check : if … else …

How do you declare a Boolean nullable in C#?

Declaration and assignment m = m2; bool? flag = null; // An array of a nullable value type: int?[] arr = new int?[10]; The default value of a nullable value type represents null , that is, it’s an instance whose Nullable. HasValue property returns false .

What data type is Boolean?

A Boolean data type has one of two possible values (usually denoted true and false), intended to represent the two truth values of logic and Boolean algebra. It is named after George Boole, who first defined an algebraic system of logic in the mid 19th century.

How many bits is a boolean in C#?

16-bit
Boolean variables are stored as 16-bit (2-byte) numbers, but they can only be True or False. Boolean variables display as either: True or False (when Print is used), or.