Given an integer pointer variable defined as int *ptr; Which of the following statement is invalid? O A) ptr++; B) --ptr; C) ptr/2
Given an integer pointer variable defined as int *ptr; Which of the following statement is invalid? O A) ptr++; B) --ptr; C) ptr/2
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![5.
Given an integer pointer variable defined as
int *ptr;
Which of the following statement is invalid?
O A) ptr++;
O B) --ptr;
O C) ptr/2
6.
what is the output of the following C++ code segment?
int numbers [ ] = {10, 20, 30, 40, 50};
cout <« * (numbers+3) « endl;
O A) 20
B) 30
O C) 40
7.
Given an array defined as
int array [5];
Which of the following relational expression is true?
O A) array < &array[0]
O B) array < &array[1]
O c) &array[4] < &array[3]
8. Given a class Rectangle, which of the following statement defines a pointer to a Rectangle object?
A) Rectangle pRect;
O B) Rectangle &pRect;
C) Rectangle *pRect;
9. Which of the following statement dynamically allocate memory for an integer?
O A) int *ptr; ptr = & int;
O B) int *ptr; ptr = new int;
O C) int *ptr; ptr = int;
10.
Suppose class Rectangle has a public member function getlength( )
Then given the following statements
Rectangle *pRect;
pRect = new Rectangle;
which of the following statement is incorrect for calling the member function getLength( ) in Rectangle?
O A) pRect.getLength()
O B) pRect->getLength()
O c) (*pRect).getLength()](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe51b7cfc-e50d-4c51-aa17-d485ca4ccb1a%2Fa479d4c2-2fd4-4ec4-9137-fb18ba49c36c%2F07g8x6j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5.
Given an integer pointer variable defined as
int *ptr;
Which of the following statement is invalid?
O A) ptr++;
O B) --ptr;
O C) ptr/2
6.
what is the output of the following C++ code segment?
int numbers [ ] = {10, 20, 30, 40, 50};
cout <« * (numbers+3) « endl;
O A) 20
B) 30
O C) 40
7.
Given an array defined as
int array [5];
Which of the following relational expression is true?
O A) array < &array[0]
O B) array < &array[1]
O c) &array[4] < &array[3]
8. Given a class Rectangle, which of the following statement defines a pointer to a Rectangle object?
A) Rectangle pRect;
O B) Rectangle &pRect;
C) Rectangle *pRect;
9. Which of the following statement dynamically allocate memory for an integer?
O A) int *ptr; ptr = & int;
O B) int *ptr; ptr = new int;
O C) int *ptr; ptr = int;
10.
Suppose class Rectangle has a public member function getlength( )
Then given the following statements
Rectangle *pRect;
pRect = new Rectangle;
which of the following statement is incorrect for calling the member function getLength( ) in Rectangle?
O A) pRect.getLength()
O B) pRect->getLength()
O c) (*pRect).getLength()
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