Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
Bartleby Related Questions Icon

Related questions

bartleby

Concept explainers

Question
QUESTION 17
The use of smart pointers makes the implementation of the clear method overly complex.
O True
O False
QUESTION 18
There are two types of traditional pointers - raw pointers and well-done pointers.
O True
False
QUESTION 19
When is the reference count of an object managed by a shared pointer decreased by 1?
O When a shared pointer goes out of scope or when a shared pointer is assigned an invalid value
O None of these
When a shared pointer goes out of scope or when a shared pointer is assigned the value nullptr
O When a shared pointer's copy constructor is invoked or when a shared pointer is assigned the value nullptr
QUESTION 20
What is an object's reference count?
The number of times it is used in a line of code
The number of raw pointers that reference objects referenced by smart pointers
The number of pointers that own an object
O The number of aliases that reference it
expand button
Transcribed Image Text:QUESTION 17 The use of smart pointers makes the implementation of the clear method overly complex. O True O False QUESTION 18 There are two types of traditional pointers - raw pointers and well-done pointers. O True False QUESTION 19 When is the reference count of an object managed by a shared pointer decreased by 1? O When a shared pointer goes out of scope or when a shared pointer is assigned an invalid value O None of these When a shared pointer goes out of scope or when a shared pointer is assigned the value nullptr O When a shared pointer's copy constructor is invoked or when a shared pointer is assigned the value nullptr QUESTION 20 What is an object's reference count? The number of times it is used in a line of code The number of raw pointers that reference objects referenced by smart pointers The number of pointers that own an object O The number of aliases that reference it
Expert Solution
Check Mark
Knowledge Booster
Background pattern image
Computer Science
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
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education