C# Operator Overloading

Operator Overloading is defined as a process of defining and implementing the polymorphism technique. Operator Overloading in C# is consists of operators which are functions with special names the keyword operator followed by the symbol for the operator being defined.

Syntax:

Given below is the syntax of operator overloading implementation,

Overloading can be done on both Unary operators and Binary operators.

The details are given below:

Binary Operators Overloading:

Overloading can be done on Binary operators such as +, -, *, /, %, &, |, <<, >>.

Syntax:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OperatorOverloading
{
public class Marks
{
public int num;
public Marks()
{
num = 0;
}
public Marks(int n)
{
num = n;
}
public static Marks operator +(Marks s1, Marks s2)
{
Marks s3 = new Marks();
s3.num = s1.num + s2.num + s3.num;
return s3;
}
public void display()
{
Console.WriteLine("{0}", num);
}
}
public class Program
{
public static void Main(string[] args)
{
Marks num = new Marks(69);
Marks num1 = new Marks(98);
Marks num2 = new Marks(76);
Marks num3 = new Marks();
num3 =  num + num1 + num2;
num.display();
num1.display();
num2.display();
num3.display();

}
}
}

Unary Operators Overloading:

Overloading can be done on both Unary operators like  ++, –, true, false, + , -, ~.

Syntax:

using System;

namespace OperatorOverloading
{
public  class number
{
public int val1, val2;
public number(int no1, int no2)
{
val1 = no1;
val2 = no2;
}
public number()
{
}
public static number operator -(number eg1)
{
eg1.val1 = -eg1.val1;
eg1.val1 = -eg1.val1;
return eg1;
}
public void Print()
{
Console.WriteLine("value1 =" + val1);
Console.WriteLine("value2 =" + val2);

}
	}
public class Program
{
public static void Main(string[] args)
{
number eg = new number(46,-78);
eg.Print();
number eg1 = new number();
eg1 = -eg;
eg1.Print();
}
}
}