java help!

3 Linked List The following exercises deal with coding a LinkedList . The methods you are writing are instance methods inside of LinkedList. so you can use the Node class. . The LinkedList contains a NodecEs head and tail (optional) .The LinkedList contains a method size() that returns the number of elements in the list . The Node objects are singly-linked, and contain public variable next, which references the next node in the list You can use all Iterator if you want, but you don't ieel to. This space intentionally left blanlk Wait, I typed something, it's not blank anymore