Question: Missing the left and right method /. Returns the number of leaf nodes in this trees/ public int getNumberofLeaves(TreeNodect> root)//TreeNode root added if(root null){ return

Missing the left and right method

leaf nodes in this trees/ public int getNumberofLeaves(TreeNodect> root)//TreeNoderoot added if(root null){

return else if(root . left " null root. right-nuuo //else if iif

y// return 1 else// note the recirsive call! return getNumberOfLeaves( rootleft). getNumberofLeaves

(root. right); //else //getNUnberorLeaves /* Returns an ArrayList containing all elements in

preorder of the specified element's left sub-tree public ArrayListcE> leftSubTree(E e)( //teft

for you to implement in Lab 9 Returns an ArrayList containing all

etements in preorder of the specified elenent's right sub-tree public ArrayListsE+ rightSubTree(E

ef //left for you to inplenent in Lab 9 Returns the inorder

/. Returns the number of leaf nodes in this trees/ public int getNumberofLeaves(TreeNodect> root)//TreeNoderoot added if(root null){ return else if(root . left " null root. right-nuuo //else if iif y// return 1 else// note the recirsive call! return getNumberOfLeaves( rootleft). getNumberofLeaves (root. right); //else //getNUnberorLeaves /* Returns an ArrayList containing all elements in preorder of the specified element's left sub-tree public ArrayListcE> leftSubTree(E e)( //teft for you to implement in Lab 9 Returns an ArrayList containing all etements in preorder of the specified elenent's right sub-tree public ArrayListsE+ rightSubTree(E ef //left for you to inplenent in Lab 9 Returns the inorder predecessor of the specified dement / public E inorderPredecessor(E e)( //left tor you to implesent in Lab 9 TreeNodeE> parent = null; TreeNode current root; while (current != null) { if (e.compareTo(current.elenent) a) ( parent current; current = current, left; else if (e.compareTolcurrent.elenent) 8) parent current; MacBook Air 19 7

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