C #. NET environment function parameter array usage (Keyword: Params)

/*
* Created by sharpdevelop.
* User: noo
* Date: 2009-8-16
* Time: 13: 07
*
* Function parameter array usage
*/
Using system;
Class
{
Public int output (int A, Params int [] Vals) // an array of different sizes. This is the type of the parameter to be used when the number of parameters is unknown, the Params parameter must be the last parameter in the form parameter table.
{
Int sum = 0;
Foreach (INT Val in Vals)
{
Sum + = val;
}
Return sum-;
}
}
Class Test
{
Static void main ()
{
A A = new ();
Int all = A. Output (, 10); // This is the call method.
Console. writeline (all); // output 44 (5 + 6 + 7 + 8 + 9 + 10-1)
}
}