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Invoke the virtual toString() function
To invoke the virtual toString() function defined in GeometricObject from a Circle object c, use :A. ((GeometricObject*)c)->toString();B. c.super.toString()C. (GeometricObject*)c->toString();D. c->GeometricObject::toString()
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Placement New Syntax
How can a C++ developer use the placement new syntax to make new allocate an object of class SomeClass at a particular memory address stored in a pointer type variable named pmem?A. new SomeClass(pmem);B. new(pmem) SomeClass;C. new SomeClass pmem;D. new pmem SomeClass;E. new (pmem, SomeClass);