Detailed explanation of data type conversion in C++ and its function

This article mainly explains "detailed explanation and function introduction of data type conversion in C++", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn the detailed explanation of data type conversion in C++ and its function introduction.

Catalogue

Overview

Conversion between different types of data

Implicit type conversion

Forced type conversion

Self-declared type conversion

Conversion constructor

Type conversion function

Case

Application

Overview

In daily development, we often use data type conversion, so we should have some understanding of data type conversion.

Conversion between different types of data

In C++, some standard types of data can be converted automatically.

Implicit type conversion

Implicit type conversion: done automatically by the C++ compiler system, we do not need to intervene. For example:

Int main () {int a = 6; a = a + 3.5; cout