Question

How to check if a list is empty in C#

Answer 1

using System;
using System.Linq;
using System.Collections.Generic;

class Program
{
    public static bool IsEmpty<T>(List<T> list) {
        if (list == null) {
            return true;
        }
 
        return !list.Any();
    }
 
    public static void Main()
    {
        List<int> list = new List<int>();

        if (IsEmpty(list)) {
            Console.WriteLine("List is Empty");
        }
        else {
            Console.WriteLine("List is not Empty");
        }
    }
}




/*
run:

List is Empty

*/

 

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Answer 2

using System;
using System.Collections.Generic;
 
class Program
{
    public static void Main()
    {
        List<int> list = new List<int>();
 
        if (list.Count == 0) {
            Console.WriteLine("List is Empty");
        }
        else {
            Console.WriteLine("List is not Empty");
        }
    }
}
 
 
 
 
/*
run:
 
List is Empty
 
*/

 

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