Table of Contents
OOP program to overload unary operator (-)
Design the class Demo which will contain the following methods: readNo(),
factorial() for calculating the factorial of a number, reverseNo() will reverse the
given number, isPalindrome() will check the given number is palindrome,
isArmstrong() which will calculate the given number is armStrong or not.Where
readNo() will be private method.
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FYIT practical 4-a Unary Operator Overloading
#include<iostream>
using namespace std;
class Minus
{
int a,b;
public:
void get()
{
cout<<"Enter value for A and B : ";
cin>>a>>b;
}
void show()
{
cout<<endl<<"A="<<a<<endl<<"B="<<b;
}
void operator -()
{
a=-a;
b=-b;
}
};
int main()
{
Minus s;
s.get();
cout<<endl<<"Before overloading";
s.show();
-s;
cout<<endl<<"After overloading";
s.show();
return 0;
}
Output
Check out more FYIT OOP Practical Program and other logic building programs in C++
| FYIT OOP Practical Programs |
| Classes and methods |
| FY-1-a Design an employee class in easy way |
| FY-1-b Design a student class in easy way |
| FY-1-c Best OOP program to print factorial and other |
| FY-1-d Best OOP program define function outside class |
| Using friend functions. |
| FY-2-a Best OOP program-friend function for adding the two complex numbers |
| Constructors and method overloading |
| FY-3-a Best C++ program to add two complex number |
| FY-3-b Easy program to calculate area and volume using method overloading |
| Operator Overloading |
| FY-4-a Easy C++ program to overload unary operator (-) |
| FY-4-b Overload the operator for adding the timings of two clocks in C++ in easy way |
| FY-4-c Easy C++ program to overload the operator for concatenating two strings |
| Inheritance |
| FY-5-a Easy C++ program to design a class for single level inheritance |
| FY-5-b Easy C++ program to design a class for multiple inheritance |
| Other Practice-Program |
| 1 – Best C++ program to calculate employee salary |
| More coming soon… Stay tuned |
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