Implement your own Generic list in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace MyGenericList
{
    public class MyGenericList where T : IComparable
    {
        const int defaultCapacity = 6;
 
        private T[] list = null;
 
        public MyGenericList(int capacity = defaultCapacity)
        {
            this.Count = 0;
            this.Capacity = capacity;
            list = new T[capacity];
        }
 
        private int capacity;
 
        public int Capacity
        {
            get { return capacity; }
            private set { capacity = value; }
        }
 
        private int count;
 
        public int Count
        {
            get { return count; }
            set { count = value; }
        }
 
        public void Add(T item)
        {
            this.Count++;
            this.Resize(this.Count);
            list[count - 1] = item;
        }
 
        public void RemoveAt(int index)
        {
            if (index > Count || index < 0)
            {
                throw new IndexOutOfRangeException("Index is out of range.");
            }
 
            this.Count--;
            this.Resize(this.Count);
            Array.Copy(this.list, index, this.list, index--, this.Count - index);
            this.list[count] = default(T);
        }
 
        public void Insert(int index, T element)
        {
            if (index > Count || index < 0)
            {
                throw new IndexOutOfRangeException("Index is out of range.");
            }
 
            this.Count++;
            this.Resize(this.Count);
            Array.Copy(this.list, index, this.list, index++, this.Count - index -1);
            this.list[index - 1] = element;
 
        }
 
        public int FindIndex(T item)
        {
            return Array.IndexOf(this.list, item);
        }
 
        public bool Contains(T item)
        {
            return this.list.Contains(item);
        }
 
        public void Clear()
        {
            this.Count = 0;
            this.Capacity = defaultCapacity;
            this.list = new T[Capacity];
        }
 
        private void Resize(int currentCounter)
        {
            if (currentCounter > this.Capacity)
            {
                this.Capacity = this.Capacity * 2;
                Array.Resize(ref this.list, this.Capacity);
            }
        }
    }
}