need added functions where the comments ask for them please (java)

public class LinkedList { private class Node { private T data; private Node link;

public Node( ) { data = null; link = null; }

public Node(T newData, Node linkValue) { data = newData; link = linkValue; } } //End of Node inner class

private Node head, tail; private int size;

public LinkedList( ) { head = tail = null; }

// Adds a node at the start of the list with the specified data. // The added node will be the first node in the list. public void addFront(T itemData) { }

// Removes the head node and returns true if the // list contains at least one node. Returns false if the list is empty. public boolean deleteFront( ) { }

// Analogous to addFront, but add at back. public void addBack(T itemData) { }

// Analogous to deleteFront, but delete at back. public boolean deleteBack( ) { }

// Returns the number of nodes in the list. public int size( ) { }

// Finds the first node containing the target item, and returns a // reference to that node. If target is not in the list, // null is returned. private Node find(T target) { Node position = head; T itemAtPosition; while (position != null) { itemAtPosition = position.data; if (itemAtPosition.equals(target)) return position; position = position.link; } return null; }

// Checks whether list contains item. Must call the private find method. public boolean contains(T item) { }

public void outputList( ) { }

public boolean isEmpty( ) { }

public void makeEmpty( ) { }

// For two lists to be equal they must contain the same data items in //the same order. The equals method of T is used to compare data items. public boolean equals(Object otherObject) { if (otherObject == null) return false; else if (getClass( ) != otherObject.getClass( )) return false; else { LinkedList otherList = (LinkedList)otherObject; if (size( ) != otherList.size( )) return false; Node position = head; Node otherPosition = otherList.head; while (position != null) { if (!(position.data.equals(otherPosition.data))) return false; position = position.link; otherPosition = otherPosition.link; } return true; //no mismatch was not found } } }