public void Traverse(GroceryList node)
{
if (node == null)
{
node = this;
}
while (node != null)
{
Console.WriteLine(node.item);
node = node.next;
}
}
public int DeleteNext()
{
if (next == null)
{
return(0);
}
else
{
GroceryList node = this.next;
this.next = this.next.next;
node = null;
return(1);
}
}
public GroceryList InsertNext(string value)
{
GroceryList node = new GroceryList(value);
if (this.next == null)
{
this.next = node;
node.next = null;
}
else
{
GroceryList temp = this.next;
node.next = temp;
this.next = node;
}
return(node);
}
static void Main(string[] args)
{
SingleList n1 = new SingleList(1);
SingleList n2 = n1.InsertNext(2);
SingleList n3 = n2.InsertNext(3);
SingleList n4 = n3.InsertNext(4);
Console.WriteLine("Traverse");
n1.Traverse(n1);
Console.WriteLine("Deleting node 2");
n1.DeleteNext();
Console.WriteLine("Traverse");
n1.Traverse(null);
GroceryList i1 = new GroceryList("item1");
GroceryList i2 = i1.InsertNext("item2");
GroceryList i3 = i2.InsertNext("item3");
GroceryList i4 = i3.InsertNext("item4");
Console.WriteLine("Traverse");
i1.Traverse(i1);
Console.WriteLine("Deleting node 2");
i1.DeleteNext();
Console.WriteLine("Traverse");
i1.Traverse(null);
DList dl = new DList();
for (int i = 0; i < 10; i++)
{
Console.WriteLine("Enter Number " + (i + 1) + " ");
dl.insert(Convert.ToInt32(Console.ReadLine()));
}
Console.WriteLine();
dl.print();
dl.Delete(Convert.ToInt32(Console.ReadLine()));
dl.print();
}
public GroceryList(string i)
{
item = i;
next = null;
}
public GroceryList()
{
item = null;
next = null;
}