Explanation:The above program is same as previous one. Here, the operator – is overloaded. The
statement –X calls the function operator –(). The function operator–() makes all the member
variables negative. The function show() displays the values of member variables on the screen.
10.4 OPERATOR RETURN TYPE
In the last few examples we declared the operator() of void types, that is, it will not return
any value. However, it is possible to return value and assign to it other object of the same type.
The return value of operator is always of class type, because the operator overloading is only
for objects. An operator ...
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