C++ Quick Syntax Reference by Mikael Olsson

Author:Mikael Olsson [Olsson, Mikael]
Language: eng
Format: epub, pdf
Tags: C, Computers, Programming, Microsoft, Programming Languages
ISBN: 9781430262770
Publisher: Apress
Published: 2013-07-31T04:00:00+00:00

New initialization

Finally, an object can be initialized through dynamic memory allocation by using the new keyword. Dynamically allocated memory must be used through a pointer or reference. The new operator returns a pointer, so to assign it to a reference it needs to be dereferenced first. Keep in mind that dynamically allocated memory must be explicitly freed once it is no longer needed.

// New initialization

MyClass* a = new MyClass();

MyClass& b = *new MyClass();

// ...

delete a, b;

CHAPTER 14

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