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Chapter 13: Problem 36

A(n) _________ is a member function that is automatically called when an object is destroyed.

Short Answer

Expert verified
Based on the provided step-by-step solution, fill in the blank with the name of the function that is called when an object is destroyed: Answer: Destructor

Step by step solution

01

Understand the concept

First, let's understand the concept of a destructor. A destructor is a special member function of a class that is executed whenever an object of that class goes out of scope or is explicitly destroyed. It is mainly used to properly release the resources held by an object, such as memory, before it is destroyed. In C++, a destructor has the same name as the class, preceeded by a tilde (~) symbol.
02

Destructor definition

To fill in the blank for the given exercise, recall that the function that is automatically called when an object is destroyed is called a "destructor".
03

Example of a destructor

Below is a simple example of a destructor in C++. Notice how it is declared and used in the class definition. ```cpp #include using namespace std; class MyClass { public: MyClass() { // Constructor cout << "Constructor called!" << endl; } ~MyClass() { // Destructor cout << "Destructor called!" << endl; } }; int main() { MyClass obj; return 0; } ``` In this example, the constructor and destructor are called when the object `obj` is created and destroyed, respectively. The output for this program will be: ``` Constructor called! Destructor called! ``` This demonstrates how the destructor function is called when an object is destroyed.

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Most popular questions from this chapter

A class is very similar to a(n) _________.

A(n) _________ is a member function that is automatically called when an object is destroyed.

\(\mathrm{T}\) \(\mathrm{F} \quad\) Classes and structures in \(\mathrm{C}_{++}+\) are very similar.

Like constructors, destructors cannot have a(n) _________ type.

Is it possible to have more than one constructor? Is it possible to have more than one destructor?
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