I need help Q. What is the main benefit of constrained lists? The constraints pr
ID: 3909915 • Letter: I
Question
I need help
Q. What is the main benefit of constrained lists?
The constraints prevent the data from being modified to invalid values.
The constraints produce behavior that is useful in some applications.
The constraints make it easier to implement security policies to protect the data.
The constraints allow us to limit their consumption of memory and processor resources.
Q . When traversing a singly-linked list without a dummy tail, what is the stopping condition?
When the traversal pointer reaches a node whose value indicates that there are no further nodes.
When the traversal pointer is null.
When the traversal pointer causes an exception when it attempts to advance to the next node.
When the traversal pointer is pointing to a node whose next pointer is null.
Q. If we declare char c, how would we make a pointer point to it?
pointer p = pointerTo(c);
char *p = p->c;
char p = *c;
char *p = &c;
Q. What is the main difference between an array and a linked list?
An array can only store primitive types, while a list only stores objects.
An array is dynamic and a linked list is static.
An array can have iterators and a linked list cannot.
An array is static and a linked list is dynamic.
Q. The term "member variable" refers to:
functions that perform an object's operations
an object that is constantly changing
variables that store the attributes of an object
parameters declared in a member function header
Q. Which statement regarding C++ constructors is FALSE?
Constructors must return the same data type that main() returns.
Constructors have the same name as their class.
Constructors are responsible for initializing an object's attributes.
Constructors are not declared with a return type.
Q. The term "member variable" refers to:
functions that perform an object's operations
an object that is constantly changing
variables that store the attributes of an object
parameters declared in a member function header
Q. If we do not write a constructor, C++ will generate one for us that initializes ____.
numbers to random values, pointers to garbage data, and booleans to true
nothing
numbers to zero, pointers to null, and booleans to false
everything to garbage data
Explanation / Answer
Q. What is the main benefit of constrained lists?
The constraints allow us to limit their consumption of memory and processor resources.
Q . When traversing a singly-linked list without a dummy tail, what is the stopping condition?
When the traversal pointer is null.
Q. If we declare char c, how would we make a pointer point to it?
char *p = &c;
Q. What is the main difference between an array and a linked list?
An array is static and a linked list is dynamic.
Q. The term "member variable" refers to:
variables that store the attributes of an object
Q. Which statement regarding C++ constructors is FALSE?
Constructors must return the same data type that main() returns.
Q. The term "member variable" refers to:
variables that store the attributes of an object
Q. If we do not write a constructor, C++ will generate one for us that initializes ____.
numbers to zero, pointers to null, and booleans to false
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