Show what is produced by the following Java code. Assume list is a reference variable of type Sinly LinkedList, and length(), InsertFirst(), insertLast). first(), last(). print() are the methods of SinglyLinkedList class (defined as in the sessions). list = new SinglyLinkedList(); int[] arr (1, 5, 6, 2, 3, 4}; for (int i=0; i