Question 9 Which XXX will avoid a memory leak? class MyClass { public: MyClass(); int value; private: int *ptr; }; MyClass::MyClass () { ptr = new int; *ptr = 0; delete ptr; } int main() { int value = 100; int *ptr1= new int; //XXX ptr1 = &value; O delete value O delete MyClass O delete ptr1 O delete ptr

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
Problem 1PE
icon
Related questions
Question
Question 9
Which XXX will avoid a memory leak?
class MyClass {
public:
MyClass();
int value;
private: int* ptr;
};
MyClass::MyClass () {
ptr = new int;
*ptr = 0;
delete ptr;
}
int main() {
int value = 100;
int *ptr1= new int;
//XXX
ptr1 = &value;
O delete value
O delete MyClass
O delete ptr1
O delete ptr
Transcribed Image Text:Question 9 Which XXX will avoid a memory leak? class MyClass { public: MyClass(); int value; private: int* ptr; }; MyClass::MyClass () { ptr = new int; *ptr = 0; delete ptr; } int main() { int value = 100; int *ptr1= new int; //XXX ptr1 = &value; O delete value O delete MyClass O delete ptr1 O delete ptr
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Unreferenced Objects
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education