Why destructor is used in programming?

In object-oriented programming, a destructor (sometimes abbreviated dtor) is a method which is invoked mechanically just before the memory of the object is released. … Its main purpose is to free the resources (memory allocations, open files or sockets, database connections, resource locks, etc.)

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Why is the destructor important?

Destructors are used to destroy the objects created by the Constructors when they are not needed anymore to release the memory . They are special member functions and called automatically by C++. Compiler to free up the memory when there is no user-defined destructor in the program.

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What is destructor give example?

A destructor is a member function that is invoked automatically when the object goes out of scope or is explicitly destroyed by a call to delete . A destructor has the same name as the class, preceded by a tilde ( ~ ). For example, the destructor for class String is declared: ~String() .

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