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Consider the following C++ code: int* length = new int; int* height = new int; *height = 12; *length = *height; Length = Height; delete height; Provide detailed explanations of the effect of each statement. After this code has completed, there is an inaccessible object on the heap and a dangling pointer. What is the inaccessible object and how did it become inaccessible? What is the dangling pointer in this example? Briefly explain the danger associated with dangling pointers?

Consider the following C++ code: int* length = new int; int* height = new int; *height = 12; *length = *height; Length = Height; delete height; Provide detailed explanations of the effect of each statement. After this code has completed, there is an inaccessible object on the heap and a dangling pointer. What is the inaccessible object and how did it become inaccessible? What is the dangling pointer in this example? Briefly explain the danger associated with dangling pointers?

Database System Concepts
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
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  • Consider the following C++ code:

int* length = new int;

int* height = new int;

*height = 12;

*length = *height;

Length = Height;

delete height;

Provide detailed explanations of the effect of each statement. After this code has completed, there is an inaccessible object on the heap and a dangling pointer. What is the inaccessible object and how did it become inaccessible? What is the dangling pointer in this example? Briefly explain the danger associated with dangling pointers?

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