Navigating C++ and Object-Oriented Design

8.5. Key Point Summary

• Object storage management overloads or replaces global and class-specific versions of operator new and operator delete.

• Predeclared operator new() allocates single objects, and operator new[]() allocates arrays of objects. Predeclared operator delete() deallocates single objects, and operator delete[]() deallocates arrays of objects.

• The predeclared versions of operator new throw exception bad_alloc if the allocation fails. The nothrow versions of operator new return a pointer value 0 if the allocation fails. The nothrow versions require include file directive <new>.

• Placement with operator new requires <new> and uses static or global buffers, free store, or arenas. Explicit destructor calls release objects that placement ...