In this chapter, we will discuss in C# – Param Arrays. At times, while declaring a method, you are not sure of the number of arguments passed as a parameter. C# param arrays (or parameter arrays) come into help at such times.
The following example demonstrates this −
using System;
namespace ArrayApplication {
class ParamArray {
public int AddElements(params int[] arr) {
int sum = 0;
foreach (int i in arr) {
sum += i;
}
return sum;
}
}
class TestClass {
static void Main(string[] args) {
ParamArray app = new ParamArray();
int sum = app.AddElements(512, 720, 250, 567, 889);
Console.WriteLine("The sum is: {0}", sum);
Console.ReadKey();
}
}
}
When the above code is compiled and executed, it produces the following result −
The sum is: 2938+
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