What is the output of the following code? int *p1, *p2;   p1 = new int;   p2 = new int; *p1 = 11;   *p2 = 0;   p2 = p1;   cout  << *p1 <<" " << *p2 << endl;    0 11

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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2) Answer the question with the correct options given below

A)What is the output of the following code?

int *p1, *p2;  

p1 = new int;  

p2 = new int;

*p1 = 11;  

*p2 = 0;  

p2 = p1;  

cout  << *p1 <<" " << *p2 << endl;   

  • 0 11
  • 11 0
  • 0 0
  • 11 11

 

B) What is wrong with the following code fragment?  


int *p1, *p2;  
p1 = new int;  
p2 = new int;  
*p1=11;  
*p2=0;  
p2=p1;  
cout  << *p1 <<" " << *p2 << endl;   
delete p1;  
delete p2;

  • p1 and p2 both have the same value, so the delete p2 will cause an error
  • nothing
  • B and C
  • You have a memory leak

C) Which of the following correctly declares a dynamic array of strings? 

  • p1 = new string[];
  • p1 = new string[13]; 
  • p1 = new string(13); 
  • p1 = new stringArray(13); 
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