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Variable Arguments (Varargs) in C#
Use the param keyword to get the variable arguments in C#.
Let us see an example to multiply integers. We have used params keyword to accept any number of int values −
static int Multiply(params int[] b)
The above allows us to find multiplication of numbers with one as well as two int values. The fllowing calls the same function with multiple values −
int mulVal1 = Multiply(5); int mulVal2 = Multiply(5, 10);
Let us see the complete code to understand how variable arguments work in C# −
Example
using System; class Program { static void Main() { int mulVal1 = Multiply(5); int mulVal2 = Multiply(5, 10); Console.WriteLine(mulVal1); Console.WriteLine(mulVal2); } static int Multiply(params int[] b) { int mul =1; foreach (int a in b) { mul = mul*a; } return mul; } }
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