Some times we may require a method which can accept variable number of arguments.
C# provides the params keyword for this purpose.
The syntax for using params keyword is
params datatype[] argument name
For using the params keyword the argument must be declared as single dimensional array.Once an argument is prefixed with the params keyword, C# will accept any number of values (including none)for that argument.
Example
public class Test
{
public int Sum(params int[] num)
{
int totval = 0;
foreach (int n in num)
{
totval += n;
}
return totval;
}
public static int Main(string[] args)
{
Test T = new Test();
Console.WriteLine(T.Sum());
Console.WriteLine(T.Sum(3,2));
Console.WriteLine(T.Sum(50,60,100,150));
return 0;
}
}
The output of the above program will be
0
5
360
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