public int Delete()
{
int x;
if (IsEmpty())
{
throw new System.InvalidOperationException("Queue Underflow");
}
x = front.info;
front = front.link;
return(x);
}
public int Size()
{
int s = 0;
QueNode p = front;
while (p != null)
{
s++;
p = p.link;
}
return(s);
}
public void Insert(int x)
{
QueNode temp;
temp = new QueNode(x);
if (front == null)
{
front = temp;
}
else
{
rear.link = temp;
}
rear = temp;
}
public void Display()
{
QueNode p = front;
if (IsEmpty())
{
Console.WriteLine("Queue is empty");
return;
}
Console.WriteLine("Queue is: ");
while (p != null)
{
Console.Write(p.info + " ");
p = p.link;
}
Console.WriteLine();
}
public QueueL()
{
front = null;
rear = null;
}