Input and Output Example using Operator Overloading in C++

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This program defines a class Distance with two private data members feet and inches. It defines a default constructor and a parameterized constructor to initialize these data members. It also defines two friend functions operator<< and operator>>, which overload the << and >> operators respectively to display and read Distance objects from the console.

In the main function, three Distance objects are created: D1, D2, and D3. D1 and D2 are initialized using the parameterized constructor. D3 is uninitialized and its value is read from the console using the overloaded >> operator. The values of D1, D2, and D3 are displayed on the console using the overloaded << operator.

Source Code

#include<iostream>
using namespace std;
class Distance
{
   private:
      int feet;
      int inches;
   public:
      Distance()
      {
        feet=0;
        inches=0;
      }
      Distance(int f,int i)
      {
        feet=f;
        inches=i;
      }
      friend ostream &operator<<(ostream &output,const Distance &D)
      {
        output<<"F : "<<D.feet<<" I : "<<D.inches;
        return output;
      }
      friend istream &operator>>(istream &input,Distance &D)
      {
        input>>D.feet>>D.inches;
        return input;
      }
};
int main()
{
   Distance D1(11,10),D2(5,11),D3;
   cout<<"\nEnter the value of object : "<<endl;
   cin>>D3;
   cout<<"\nFirst Distance : "<<D1<<endl;
   cout<<"\nSecond Distance :"<<D2<<endl;
   cout<<"\nThird Distance :"<<D3<<endl;
   return 0;
}

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Output

First Distance : F : 11 I : 10

Second Distance :F : 5 I : 11

Third Distance :F : 0 I : 0

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• Hello World In C++
• Why we using namespace std in C++
• Getting Inputs in C++
• std::string class in C++
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• Function In C++
• Function Overloading In C++
• Default Argument Function In C++
• Template In C++
• Enum In C++
• Class in C++
• What is Public Access Specifier in C++
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• Scope Resolution :: Operator in C++
• Default Constructor in C++
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• Pure Virtual Function & Abstract Class in C++
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For Loop

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Operator and Function Example

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