Write Method Swaps First Last Element Queue Using Java Application Class Queue Public Clas Q37077388

* write a method to swaps first and last element inQueue using ( in JAVA APPLICATION)

class queue

public class queue {
LinkedList queue = new LinkedList();
public void enQueue(Comparable e){
queue.addLast(e);
}
public Comparable deQueue(){
return (Comparable) queue.removeFirst();
}

}

Solution