Question 1

Given the declarations below,write a code fragment that allocates a nameless variable for pointer p1 to point to.
int *p1,*p2;

Accepted Answer

The answer of Given the declarations below,write a code fragment...

Question 2

Tell about the freestore (also known as heap).What is put there? How is this done? How does a program access the freestore? What happens to memory that has been allocated but is no longer needed?

Accepted Answer

The freestore is a special area of memor

Question 3

One can use the & operator to extract the value that a pointer points to.

Accepted Answer

A) True 
 B)False

Question 4

A copy constructor has the same name as the class (let's call it A)and has a parameter that

Accepted Answer

A) Is call-by value of an A object 
B) Is call-by-reference of another class 
C) Is call-by-reference of an A class object 
D) Is call-by-name of an object named ~A. 
E) None of these 
A) Is call-by value of an A object 
B) Is call-by-reference of another class 
C) Is call-by-reference of an A class object 
D) Is call-by-name of an object named ~A. 
E) None of these

Question 5

Here is the first line of the copy constructor for PFArrayD.The identifier PFArrayD is the name of the class,but in the header it is used three times with different meaning each time.Give the meaning for each use:
PFArrayD::PFArrayD( const PFArrayD& pfaObject)

Accepted Answer

PFArrayD::,the first one,says the identi

Question 6

A function can return an array.

Accepted Answer

A) True 
 B)False

Question 7

Write a type definition for a type called NumberPtr that will be the type for pointer variables that hold pointers to dynamic variables of type double.Also,write a declaration for a pointer variable called myPoint,which is of type NumberPtr.

Accepted Answer

typedef do

Question 8

Dangling pointers present no problem in C++

Accepted Answer

A) True 
 B)False

Question 9

Describe the action of the new operator.What does the new operator return? What are the indications of error?

Accepted Answer

The new operator takes a type name for i

Given the declarations below,write a code fragment that allocates a nameless variable for pointer p1 to point to. int p1,p2;

Tell about the freestore (also known as heap).What is put there? How is this done? How does a program access the freestore? What happens to memory that has been allocated but is no longer needed?

One can use the & operator to extract the value that a pointer points to.

A copy constructor has the same name as the class (let's call it A)and has a parameter that

Here is the first line of the copy constructor for PFArrayD.The identifier PFArrayD is the name of the class,but in the header it is used three times with different meaning each time.Give the meaning for each use: PFArrayD::PFArrayD( const PFArrayD& pfaObject)

A function can return an array.

Write a type definition for a type called NumberPtr that will be the type for pointer variables that hold pointers to dynamic variables of type double.Also,write a declaration for a pointer variable called myPoint,which is of type NumberPtr.

Dangling pointers present no problem in C++

Describe the action of the new operator.What does the new operator return? What are the indications of error?

C++ Basics

Flow of Control

Function Basics

Parameters and Overloading

Arrays

Structures and Classes

Constructors and Other Tools

Operator Overloading,friends,and References

Strings

Separate Compilation and Namespaces

Streams and File IO

Recursion

Inheritance

Polymorphism and Virtual Functions

Templates

Linked Data Structures

Exception Handling

Standard Template Library

Patterns and Uml

Filters

Exam 10: Pointers and Dynamic Arrays

Given the declarations below,write a code fragment that allocates a nameless variable for pointer p1 to point to. int *p1,*p2;

Tell about the freestore (also known as heap).What is put there? How is this done? How does a program access the freestore? What happens to memory that has been allocated but is no longer needed?

One can use the & operator to extract the value that a pointer points to.

A copy constructor has the same name as the class (let's call it A)and has a parameter that

Here is the first line of the copy constructor for PFArrayD.The identifier PFArrayD is the name of the class,but in the header it is used three times with different meaning each time.Give the meaning for each use: PFArrayD::PFArrayD( const PFArrayD& pfaObject)

A function can return an array.

Write a type definition for a type called NumberPtr that will be the type for pointer variables that hold pointers to dynamic variables of type double.Also,write a declaration for a pointer variable called myPoint,which is of type NumberPtr.

Dangling pointers present no problem in C++

Describe the action of the new operator.What does the new operator return? What are the indications of error?

C++ Basics

Flow of Control

Function Basics

Parameters and Overloading

Arrays

Structures and Classes

Constructors and Other Tools

Operator Overloading,friends,and References

Strings

Separate Compilation and Namespaces

Streams and File IO

Recursion

Inheritance

Polymorphism and Virtual Functions

Templates

Linked Data Structures

Exception Handling

Standard Template Library

Patterns and Uml

Filters

Given the declarations below,write a code fragment that allocates a nameless variable for pointer p1 to point to. int p1,p2;