C++ Programming : Data Types

Data types define the type of data a variable can hold, for example an integer variable can hold integer data, a character type variable can hold character data etc.

Data types in C++ are categorised in three groups:

• Built-in.
• int
• char
• float
• double
• Boolean
• void
• wide character
  
  
• User-Defined.
• struct
• union
• enum
  
  
• Derived.
• Array
• Function
• Pointer