Glossary: Pointer
A pointer is a variable that holds the address of another variable or
object.
Pointers play an essential part of a C++ program because it is dynamic, with
objects being called into existence during execution. As the compiler and
linker cannot know the address of such objects they have to be accessed via
pointers.
Pointers are both declared and followed
(i.e. dereferenced)
using the * operator.
See OO Concepts: Pointers & References
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Nick West