CSC 102 Exam 2 Questions with All Correct Answers Updated
2 views 0 purchase
Course
CSC 102
Institution
CSC 102
CSC 102 Exam 2 Questions with All Correct Answers Updated
3 things normally done for classes with pointer member variables - Answer--include the destructor in the class
-overload the assignment operator for the class
-include the copy constructor
Can you pass an object of a derived class to ...
CSC 102 Exam 2 Questions with All
Correct Answers Updated 2024-2025
3 things normally done for classes with pointer member variables - Answer--include the
destructor in the class
-overload the assignment operator for the class
-include the copy constructor
Can you pass an object of a derived class to a formal parameter of the base class? -
Answer-yes
Static binding - Answer-necessary code to call a specific function generated by the
compiler... static or early binding
Dynamic binding - Answer-compiler does not generate code to call a specific function; it
generates information to enable run-time system to generate specific code for the
function call. (aka late binding)
Virtual functions have __ binding - Answer-binding occurs at program execution time,
not at compile time.... dynamic
Regardless of whether the object is passed by ref or val, if a derived class object is
passed to a formal parameter of the base class type, the destructor of __ executes -
Answer-the base class
Solution: - Answer-use a virtual destructor in the base class
The virtual destructor of a base class automatically makes the destructor of a ___ class
__ - Answer-derived... virtual
after executing the destructor of the derived class.. - Answer-the destructor of the base
class executes
the destructor of the derived class does not execute if it is not - Answer-virtual
if a base class contains virtual functions, make the destructor of the base class -
Answer-virtual
syntax for pure virtual functions - Answer-set them equal to 0
abstract class contain one or more ___ virtual functions - Answer-pure
, difference between virtual and pure virtual - Answer-pure virtual do not need to define
definition in base class.
the only built-in operations on classes are - Answer-assignment
member selection
is the statement int* p; equivalent to int *p; or int * p; - Answer-yes
in the stament int* p, q; both are pointers t/f - Answer-false
this is valid int *p, *q; - Answer-yes
* refers to the ___ to which its ___ points - Answer-object... operand
can you make a pointer that points to an object of another type like a struct - Answer-
yes
dot operator has a ___ precedence than dereferencing operator... solve this - Answer-
higher...
(*studentPtr).gpa = 3.9;
member access operator also in another form - Answer-->
syntax for accessing a class member using the operator is - Answer-
pointrVariableName->classMemberName
thus - Answer-Thus,
(*studentPtr).gpa = 3.9;
is equivalent to:
studentPtr->gpa = 3.9;
t/f Pointer variables must be initialized if you do not want them to point to anything -
Answer-true
a null pointer - Answer-p = 0; or p = NULL;
the number __ is the only number that can be directly assigned to a pointer variable -
Answer-0
new ___ and returns __ - Answer-allocates memory and returns a pointer to it's (starting
address)
create a pointer pointing to an array of 5 dynamically allocated chars called name. -
Answer-char *name;
name = new char[5];
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
