Answered: Given the IntNode class, define the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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UML DIAGRAM FOR THE FOLLOWING public class BookStore { /** * @param args the command line arguments */ Customer customerList[]; Product productList[]; public static void main(String[] args) { // TODO code application logic here } public Customer registerPremiumMember(){ Customer newCustomer = new Customer(); return newCustomer; } public void completePurchase(Customer coCustomer){ } public Customer addToBasket(Customer currentCustomer, Product cuProduct){ currentCustomer.addToBasket(cuProduct); return currentCustomer; }}
class BSTNode { int key; BSTNode left, right; public BSTNode(int item) { key = item; left = right = null; } } class BST_Tree { BSTNode root; BST_Tree() { // Constructor root = null; } boolean search(int key){ return (searchRec(root, key) != null); } public BSTNode searchRec(BSTNode root, int key) { if (root==null || root.key==key) return root; if (root.key > key) return searchRec(root.left, key); return searchRec (root.right, key); } void deleteKey(int key) { root = deleteRec(root, key); } /* A recursive function to insert a new key in BST */ BSTNode deleteRec(BSTNode root, int key) { /* Base Case: If the tree is empty */ if (root == null) return root; /* Otherwise, recur down the tree */ if (key < root.key)…
1 Assume some Node class with info & link fields. Complete this method in class List that returns a reference to the node containing the data item in the argument find This, Assume that find this is in the list public class List { protected Node head; protected int size; fublic Public Node find (char find This)
class BSTNode { int key; BSTNode left, right; public BSTNode(int item) { key = item; left = right = null; } } class BST_Tree { BSTNode root; BST_Tree() { // Constructor root = null; } boolean search(int key){ return (searchRec(root, key) != null); } public BSTNode searchRec(BSTNode root, int key) { if (root==null || root.key==key) return root; if (root.key > key) return searchRec(root.left, key); return searchRec (root.right, key); } void deleteKey(int key) { root = deleteRec(root, key); } /* A recursive function to insert a new key in BST */ BSTNode deleteRec(BSTNode root, int key) { /* Base Case: If the tree is empty */ if (root == null) return root; /* Otherwise, recur down the tree */ if (key < root.key)…
Redesign LaptopList class from previous project public class LaptopList { private class LaptopNode //inner class { public String brand; public double price; public LaptopNode next; public LaptopNode(String brand, double price) { // add your code } public String toString() { // add your code } } private LaptopNode head; // head of the linked list public LaptopList(String fname) throws IOException { File file = new File(fname); Scanner scan = new Scanner(file); head = null; while(scan.hasNextLine()) { // scan data // create LaptopNode // call addToHead and addToTail alternatively } } private void addToHead(LaptopNode node) { // add your code } private void addToTail(LaptopNode node) { // add your code } private…
PLEASE HELP, PYTHON THANK YOU def add_vertex(self, vertex): if vertex not in self.__graph_dict: self.__graph_dict[vertex] = [] def add_edge(self, edge): edge = set(edge) (vertex1, vertex2) = tuple(edge) ################# # Problem 4: # Check to see if vertex1 is in the current graph dictionary ################## #DELETE AND PUT IN THE IF STATEMENTS self.__graph_dict[vertex1].append(vertex2) else: self.__graph_dict[vertex1] = [vertex2] def __generate_edges(self): edges = [] ################# # Problem 5: # Loop through all of the data in the graph dictionary and use the variable vertex for the loop'ed data ################## #DELETE AND PUT IN THE LOOP STATEMENTS for neighbour in self.__graph_dict[vertex]: if {neighbour, vertex} not in edges: edges.append({vertex, neighbour}) return edges…
class BSTNode { int key; BSTNode left, right; public BSTNode(int item) { key = item; left = right = null; } } class BST_Tree { BSTNode root; BST_Tree() { // Constructor root = null; } boolean search(int key){ return (searchRec(root, key) != null); } public BSTNode searchRec(BSTNode root, int key) { if (root==null || root.key==key) return root; if (root.key > key) return searchRec(root.left, key); return searchRec (root.right, key); } void deleteKey(int key) { root = deleteRec(root, key); } /* A recursive function to insert a new key in BST */ BSTNode deleteRec(BSTNode root, int key) { /* Base Case: If the tree is empty */ if (root == null) return root; /* Otherwise, recur down the tree */ if (key < root.key)…
A summer camp ofes a moming sesnandan atemon sesin The is momiglist otis he names ofal chidenatedingthe moming sesin and he is tenonlistontinsthe names ofal chide aterdn the atemon sesin. atending boh esins is ound in istnd etums fale chewise. FOR EACH child IN norninglist (MISSING CODE> IF (1SFound (afternoonlList, child) APPEND (lunchList, child)
Please fill in all the code gaps if possible: (java) public class LinkedList { privateLinkedListNode head; **Creates a new instance of LinkedList** public LinkedList () { } public LinkedListNode getHead() public void setHead (LinkedListNode head) **Add item at the front of the linked list** public void insertFront (Object item) **Remove item at the front of linked list and return the object variable** public Object removeFront() }

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