C + + Primer (First chapter)

Source: Internet
Author: User

Built-in type: Built-in types

Curly brace: curly braces

A type defines not only the contents of the data elements, but also the operations that can be performed on such data.

“.” followed by a backslash indicating that the file is under the current directory (. \) "Windows"

The iostream library contains two base types, IStream and ostream, representing the input and output streams, respectively. The standard library defines four IO objects, namely IStream (CIN), Ostream (cout, Cerr, clog).

string literal: string literal constant.

Manipulator: operator.

The scope operator (::).

Note (comments).

Note: (Single-line and qualifier-to-note) Comment qualifiers cannot be nested.

When we use a IStream object as a condition, its effect is to detect the state of the stream.

C + + Primer (First chapter)

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