Comments serve as a sort of in-code documentation. When inserted into a program, they are effectively ignored by the compiler; they are solely intended to be used as notes

Constructor is a special non-static member

A class is a user-defined type. A class type is defined by class-specifier, which appears in decl-specifier-seq

Elaborated type specifiers may be used to refer to a previously-declared class name (class, struct, or union) or to a previously-declared enum name even if the name was hidden

Signals an erroneous condition and executes an error handler. Syntax

A program shall contain a global function named main, which is the designated start of the program.

Specifies constructors and conversion operators (since C++11)

A move constructor of class T is a non-template constructor whose first parameter is T&&, const T&&, volatile T&&

Each C++ expression (an operator with its operands, a

C++ (and C) source code may be written in any non-ASCII 7-bit character set that includes the