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Destructors

Explore the concept of destructors in C++ and how they automatically free resources when objects go out of scope. Understand when and how to define destructors to prevent resource leaks, manage ownership of pointers, and ensure proper cleanup in classes.

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As the name suggests, a destructor is the opposite of a constructor.

The purpose of a destructor is to destroy a class object after it goes out of scope. This frees up the memory previously occupied by the object.

Properties #

  • Unlike the constructor, a destructor is called automatically.

  • We can define a destructor inside or outside the class. In its body, special actions, such as freeing up memory or releasing locks, can be performed.

  • A destructor can be declared by the ~ operator followed by the name of the class: ~Account()

  • It does not have a return type or any parameters.

  • A class’s destructor cannot be overloaded.

  • Apart from ...