List::List()
{
HeadNode = new Node();
HeadNode->SetNext(nullptr);
CurrentNode = nullptr;
LastCurrentNode = nullptr;
Size = 0;
}

void List::Add(int AddObject)
{
Node* NewNode = new Node();
NewNode->Set(AddObject);
if (CurrentNode != nullptr)
{
    NewNode->SetNext(CurrentNode->GetNext());
    CurrentNode->SetNext(NewNode);
    LastCurrentNode = CurrentNode;
    CurrentNode = NewNode;
}
else
{
    NewNode->SetNext(nullptr);
    HeadNode->SetNext(NewNode);
    LastCurrentNode = HeadNode;
    CurrentNode = NewNode;
}
Size++;
}

int List::Get()
{
if (CurrentNode != nullptr)
{
    return CurrentNode->Get();
}
}

bool List::Next()
{
if (CurrentNode == nullptr)
{
    return false;
}
LastCurrentNode = CurrentNode;
CurrentNode = CurrentNode->GetNext();
if ((CurrentNode == nullptr) || (Size = 0))
{
    return false;
}
else
{
    return true;
}
}

void List::Remove()
{
if (CurrentNode != nullptr && CurrentNode != HeadNode)
{
    LastCurrentNode->SetNext(CurrentNode->GetNext());
    delete CurrentNode;
    CurrentNode = LastCurrentNode->GetNext();
    Size--;
}
}