c# new object(data) always creates empty objects

I’m fairly new to c# and I’m trying to create a custom object, but they always seem to be empty.

public class Item
{
    public string itemName {get;set;}
    public int itemAmount {get;set;}
    public Item (string name, int amount)
    {
        name = itemName;
        amount = itemAmount;
    }
}

public class Backpack : MonoBehaviour
{    
    void Start()
    {
       Item gold = new Item ("gold", 5)
    }
}

When I try to get gold parameters I get null, 0. Should it work like that? I wanted to use it to quickly add items to a list, and right now I would have to change all of them manually with something like
gold.itemName = "gold"; gold.itemAmount = 5.
Can I do it in another way?

>Solution :

Your assignment in the constructor is the wrong way around, instead it should be:

public Item (string name, int amount)
{
    itemName = name;
    itemAmount = amount;
}