// + Operator Overloading Method
public static Student2 operator +(Student2 s1, Student2 s2)
{
Student2 std = new Student2();
std.Marks = s1.Marks * s2.Marks;
return(std);
}
/*
* Generally, in C# we can overload three kinds of operators:
*
* 1.Unary operator->operates on a single operand (+, -, !, ++, --, true, false). These are unary
* operators which can be overloaded in C#.
*
* 2. Binary Operators->operates on two operands (+, -, *, /, %, &, |, ^, <<, >>). These are
* Binary operators which can be overloaded in C#.
*
* 3. Comparison Operators->operates on two operands and returns Boolean value when it
* compares left-sided operand’s value with right-sided operand’s value (==, !=, <, >, <=, >=).
* These are comparison operators which can be overloaded in C#.
*
* NOTE->always overload opposite operator of comparison operator. For example, whenever we
* overload less than operator we must overload greater than operator as well. the same
* applies to ==, != operator.
*
*
*/
#endregion
static void Main(string[] args)
{
//Unary operator->
Distance distance = new Distance();
distance.meter = 5;
distance++;
distance++;
Console.WriteLine(distance.meter); //9
//Binary Operators->
Student2 s1 = new Student2 {
Marks = 10
};
Student2 s2 = new Student2 {
Marks = 20
};
Student2 s3 = s1 + s2; //add ki jagah multiply
Console.WriteLine(s3.Marks);
/*
* Student s3 = s1 + s2;
* when it is called, operator + method will get executed,
* which takes s1 and s2 for its parameter values.
*/
//Comparison Operators
Distance1 d1 = new Distance1 {
meter = 10
};
Distance1 d2 = new Distance1 {
meter = 20
};
if (d1 < d2)
{
Console.WriteLine("d1 is less than d2");
}
else if (d2 < d1)
{
Console.WriteLine("d2 is less than d1");
}
/*
* if(d1 < d2): When this code is executed, operator < method will get executed,
* which takes d1 and d2 as its parameter.It returns true if d1's meter value is
* less than d2's meter value.
*/
}
