Type Cast Operator

Cast operator can be used to explicitly convert the value of an expression to a different data type

Two Types of Cast

• Implicit Cast
• Explicit cast

Implicit Cast -

Implicit type conversion, also known as coercion, is an automatic type conversion by the compiler.

Explicit Cast -

Explicit type conversion is a type conversion which is explicitly defined within a program (instead of being done by a compiler for implicit type conversion).

• Lower DataType to Higher DataType are converted implicitly
• Higher DataType to Lower DataType are converted explicitly

Example :

    #include <stdio.h>

    int main()
    {
    int i = 10;
    float f = 3.147;

    printf("The integer is: %d\n", i);
    printf("The float is: %f\n", f);

    //implicit conversion
    f = i;
    printf("Implicit conversion int to float : %f\n", f);

    //explicit conversion
    i = (int) f;
    printf("Explicit conversion float to int : %d\n", i);

    return 0;
    }

Output :

 The integer is: 10
 The float is:   3.147000
 Implicit conversion int to float :   10.000000
 Explicit conversion float to int :   10