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C++

destructors

A destructor is a special member function of a class that is executed whenever an object of it's class goes out of scope or whenever the delete expression is applied to a pointer to the object of that class.

Syntax:

class A
{
 int a;

~A() //destructor
{
 a=0;
}
}

Example:

include 
 
using namespace std;
 
class Line
{
   public:
      void setLength( double len );
      double getLength( void );
            ~Line();  // This is the destructor: declaration

};

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