public void Add(int elem)
{
MyListItem <int> newElem = new MyListItem <int>(elem);
if (startElem == null)
{
startElem = newElem;
}
else
{
GetItem(Count - 1).nextElem = newElem;
}
}
public MyListItem <int> GetItem(int index)
{
if (Count == 0 || index >= Count)
{
throw new ArgumentOutOfRangeException();
}
MyListItem <int> item = startElem;
for (int i = 0; i < index; i++)
{
item = item.nextElem;
}
return(item);
}
public void RemoveAt(int index)
{
if (index == 0)
{
if (startElem.nextElem == null)
{
startElem = null;
}
else
{
startElem = startElem.nextElem;
}
}
else if (index == Count - 1)
{
GetItem(index - 1).nextElem = null;
}
else
{
GetItem(index - 1).nextElem = GetItem(index + 1);
}
}
public bool Remove(int elem)
{
if (Count == 0)
{
return(false);
}
for (int i = 0; i < Count; i++)
{
if (elem.Equals(this[i]))
{
if (i == 0)
{
if (startElem.nextElem == null)
{
startElem = null;
}
else
{
startElem = startElem.nextElem;
}
}
else if (i == Count - 1)
{
GetItem(i - 1).nextElem = null;
}
else
{
GetItem(i - 1).nextElem = GetItem(i + 1);
}
return(true);
}
}
return(false);
}
