DSA2.5.RemoveNegativeNumbers

using System;
using System.Collections.Generic;

namespace T5.RemoveNegativeNumbers
{
    class RemoveNegativeNumbers
    {
        static void Main()
        {
            Console.WriteLine("Write a program that removes from given sequence all negative numbers\n");

            LinkedList<double> numbersList = new LinkedListWithInit<double> { 45.2, 4.87, 4, 4.45, -5, -5.34, -5, 256, 3.38, 3, 2, 4, -48.2, 4, 4, -8.2, 0 };
            Console.WriteLine("The original sequence of numbers is:\n");
            Console.WriteLine(String.Join(", ", numbersList));
            Console.WriteLine("\n");

            RemoveNegativeUtil.PositiveNumbersSubSet(numbersList);

            Console.WriteLine("The subsequence of the positive numbers is:\n");
            Console.WriteLine(String.Join(", ", numbersList));
            Console.WriteLine("\n");
        }
    }
}
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using System;
using System.Collections.Generic;

namespace T5.RemoveNegativeNumbers
{

    public class RemoveNegativeUtil
    {
        /// <summary>
        /// removes all negative numbers from given List<double> and returns the result as new List<double>.
        /// </summary>
        /// <param name="numbersList">The given list of numbers</param>
        /// <returns>List<double> positiveOnly contains the subsequence of positive numbers in the numbersList</returns>
        public static void PositiveNumbersSubSet(LinkedList<double> numbersList)
        {
            LinkedListNode<Double> listNode = numbersList.First;

            while (listNode!=null)
            {
                var nextNode = listNode.Next;
                if (listNode.Value < 0)
                {
                    numbersList.Remove(listNode);
                }
                listNode=nextNode;
            }
        }
    }
}
**********************************
using System;
using System.Collections.Generic;

namespace T5.RemoveNegativeNumbers
{
    public class LinkedListWithInit<T> : LinkedList<T>
    {
        public void Add(T item)
        {
            ((ICollection<T>)this).Add(item);
        }
    }
}