When a class uses dynamically allocated objects for its members and it does not have a copy assignment operator what of the following could happen (mark all that apply) There could be runtime errors There could be a double frees (double delete errors) There could be memory leaks Nothing happens the compiler provides the correct constructor There could be compile time errors

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
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**Title: Understanding the Impact of Missing Copy Assignment Operators in C++ Classes**

When a class uses dynamically allocated objects for its members and it does not have a copy assignment operator, several issues could arise. Consider the following potential problems (mark all that apply):

- **There could be runtime errors**: Without proper management, copying objects might lead to undefined behavior during program execution.
  
- **There could be double frees (double delete errors)**: If the same dynamic memory is deallocated multiple times, it could cause program crashes or corrupted memory states.
  
- **There could be memory leaks**: Failing to implement proper copying could lead to unreleased memory, causing the program to use more memory over time than necessary.
  
- **Nothing happens; the compiler provides the correct constructor**: This is incorrect in most cases, as the compiler-generated copy assignment may not handle dynamic memory safely.
  
- **There could be compile-time errors**: Generally, without specific issues in the code syntax, missing copy assignment operators do not directly cause compile errors, but they might expose logical flaws during program execution.
Transcribed Image Text:**Title: Understanding the Impact of Missing Copy Assignment Operators in C++ Classes** When a class uses dynamically allocated objects for its members and it does not have a copy assignment operator, several issues could arise. Consider the following potential problems (mark all that apply): - **There could be runtime errors**: Without proper management, copying objects might lead to undefined behavior during program execution. - **There could be double frees (double delete errors)**: If the same dynamic memory is deallocated multiple times, it could cause program crashes or corrupted memory states. - **There could be memory leaks**: Failing to implement proper copying could lead to unreleased memory, causing the program to use more memory over time than necessary. - **Nothing happens; the compiler provides the correct constructor**: This is incorrect in most cases, as the compiler-generated copy assignment may not handle dynamic memory safely. - **There could be compile-time errors**: Generally, without specific issues in the code syntax, missing copy assignment operators do not directly cause compile errors, but they might expose logical flaws during program execution.
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