-

 //Program - 2 : Overload Unary -(minus) operator using member function


#include <iostream.h>

#include <conio.h>


class Number

{

int a;

public :

Number()

{

cout << "Enter value a = ";

cin >> a;

}

void show()

{

cout << endl << " A = "<< a;

}

void operator-()

{

       a = - a;

}

};

void main()

{

clrscr();


Number obj; // calls Default constructor


obj.show();


-obj; //calls operator-() function


obj.show();


getch();

}

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