C# Data Types

Stores whole numbers from -2,147,483,648 to 2,147,483,647

• int

• long

• float

• double

Stores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807

• int

• long

• float

• double

Stores fractional numbers. Sufficient for storing 6 to 7 decimal digits

• int

• long

• float

• double

Stores fractional numbers. Sufficient for storing 15 decimal digits

• int

• long

• float

• double

Stores true or false values

• int

• bool

• char

• string

Stores a single character/letter, surrounded by single quotes

• int

• bool

• char

• string

Stores a sequence of characters, surrounded by double quotes

• int

• bool

• char

• string

Number types are divided into two groups:

Integer types and Floating point types

• True

• False

Which of the following value is a string?

• 'D'

• "Grade10"

• 123

• 5.99D

Which of the following value is a double?

• 'D'

• "Grade10"

• 5.99F

• 5.99D