Type Casting & Type Qualifier

Type Casting :-

Type casting is the way to convert the data from one type to  other type. Exp:- Converting the short int to long int vice versa.

Type of Type Casting:-

1. Implicit Type Casting
2. Explicit Type Casting

Implicit Type Casting :-

When Type Casting is performed automatically by the compiler, without programmers intervention, such type of conversion is know as Implicit Type Casting. 

Exp:-  int a = 10, r;

           short  int b = 20; 

          r = a + b ;

// in 32bit OS// int size is 4 byte , short int size 2 byte.

// r and a size is 4 byte and  b size is 2 byte, but when the expression is going to solve the 

Explicit Type Casting :-

When Type Casting is performed forcefully by programmers, that is known as Explicit Type Casting .

Exp:-  Take same example for easy to understand 

          short int a = 10, r;

          int b = 20; 

          r = a + ( short int )b ;