shlogg · Early preview
Mehfila A Parkkulthil @mehfila123

C++ Variables And Data Types Explained In Detail

Variables in C++ are containers for storing data values with unique names. Data types determine what type of data it holds (int, float, char, etc.). Declaration reserves memory, initialization sets its value.

Please refer this   Day 2: C++ language - output  before you proceed .


  
  
  Topics to be covered

Variables or identifiers
Datatype
Declaration of variables
General rules of variables



  
  
  Variables

Variables or identifiers are containers for storing data values or a variable is a named storage location in memory that can hold a value. The value of a variable can be changed during the execution of a program.


  
  
  Datatype

Data types specify the kind of data a variable can hold.The most common  are integer(int) , float or double , character(char), string , boolean(bool) etc ....