How We can write a method that accepts a variable number of parameters?
Answer :The params keyword can be used for a method parameter that is an array. When the method is invoked, the elements of the array can be passed as a comma separated list.
Below is the sample code
Answer :The params keyword can be used for a method parameter that is an array. When the method is invoked, the elements of the array can be passed as a comma separated list.
Below is the sample code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void TestVarArg(params int[] args)
{
foreach (int arg in args)
{
Console.WriteLine(arg);
}
}
static void TestVarArgString(params string [] args)
{
foreach (string arg in args)
{
Console.WriteLine(arg);
}
}
static void Main(string[] args)
{
TestVarArg(1, 2, 3);
Console.WriteLine();
TestVarArg(3, 4, 5,6,7);
Console.WriteLine();
string[] names = new string[3] { "Test1", "Test2", "Test3" };
TestVarArgString(names);
Console.WriteLine();
TestVarArgString("Test4", "Test5");
}
}
}
See the o/p
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