Answered: class LinkedList { Node head; Node…

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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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)…
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…
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)…
What would be the missing line of code Remaining code that not in pic void BearsList::Prepend(int cubsValue) { BearNode* newNode = new BearNode(cubsValue); newNode->next = head; head = newNode; } int main() { BearsList* myBears = new BearsList(); int inputValue; int bearCount; int i; cin >> bearCount; for (i = 0; i < bearCount; i++) { cin >> inputValue; myBears->Prepend(inputValue); } delete myBears; return 0; }
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)

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