Discuss implicit and explicit type conversion with proper examples.

 In C++, type conversion is the process of converting one data type to another data type. There are two types of type conversion in C++: implicit type conversion and explicit type conversion.

1. Implicit Type Conversion: Implicit type conversion is also known as automatic type conversion. It occurs when the compiler automatically converts one data type to another data type without any need of explicit user intervention. Implicit type conversion takes place when a value of one data type is assigned to a variable of another data type that can hold larger values.

Example:

int a = 10;

float b = a; // Implicit conversion from int to float

In the above example, the integer value 10 is assigned to the floating-point variable b. Here, the compiler automatically converts the integer value to a floating-point value, which is an example of implicit type conversion.

2. Explicit Type Conversion: Explicit type conversion is also known as type casting. It occurs when a user explicitly converts one data type to another data type using a special operator called a cast operator. There are two types of cast operators in C++: the C-style cast operator and the functional cast operator.

Example:

float a = 5.5;

int b = (int)a; // Explicit conversion from float to int using C-style cast operator

In the above example, the floating-point value 5.5 is explicitly converted to an integer value using the C-style cast operator. Here, the user has explicitly specified the conversion from float to int.

Overall, type conversion in C++ is an important concept that allows us to convert data types from one form to another. Implicit type conversion is performed automatically by the compiler, while explicit type conversion is performed by the user using special operators.