61576074 1&outcome_id%3D_121810385.. 0 poe. Convertisseur You. - Def Studio Produc. M Gmail Question 2 D YouTube Maps O New Tab Consider the class StackX below. Add a member method halfFull() to the class that returns true if the number of elements on the stack is more than half the size of the underlying array, false otherwise. class Stackx private int maxSize; private long (0 stackArray; private int top; // size of stack array // top of stack public StackX(int s) // constructor maxSize = s; stackArray = new long (maxSize]; /t create array top = -1; // set array size I/ no items yet public void push(Long j) // put item on top of stack stackArray[++top] = j; // increment top, insert item public long pop() // take item from top of stack return stackArray [top--1; // access item, decrement top 1/ public long peek() / peek at top of stack return stackArray [top]; public boolean isEmpty() // true if stack is empty return (top = -1); // true if stack is full public boolean isFull() return (top = maxSize-1); } |/ end class StackX exam_instruction..pdf 9mac281 final_fall.pdf Scanned Docum.pdf .pdf Aa 12

61576074 1&outcome_id%3D_121810385.. 0 poe. Convertisseur You. - Def Studio Produc. M Gmail Question 2 D YouTube Maps O New Tab Consider the class StackX below. Add a member method halfFull() to the class that returns true if the number of elements on the stack is more than half the size of the underlying array, false otherwise. class Stackx private int maxSize; private long (0 stackArray; private int top; // size of stack array // top of stack public StackX(int s) // constructor maxSize = s; stackArray = new long (maxSize]; /t create array top = -1; // set array size I/ no items yet public void push(Long j) // put item on top of stack stackArray[++top] = j; // increment top, insert item public long pop() // take item from top of stack return stackArray [top--1; // access item, decrement top 1/ public long peek() / peek at top of stack return stackArray [top]; public boolean isEmpty() // true if stack is empty return (top = -1); // true if stack is full public boolean isFull() return (top = maxSize-1); } |/ end class StackX exam_instruction..pdf 9mac281 final_fall.pdf Scanned Docum.pdf .pdf Aa 12

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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✓ Membership of a point in a rectangle. #@title Membership of a point in a rectangle. def rectangle_contains(self, p): # The point is a tuple with one element per dimension of the rectangle. assert len(p) == self.ndims ### YOUR SOLUTION HERE Rectangle. contains = rectangle contains [ ] # Tests 10 points. assert (2, 3) in Rectangle((0, 4), (1, 5)) assert (2, 3) not in Rectangle((0, 4), (4, 5)) Exercise: Write a method _ eq_ such that r1 == r2 is True iff the two rectangles are identical, and a method _le_ such that r1 <= r2 returns True iff r1 is a subset of r2.
To Do: LinkedList.h: add a new Node* called tailPtr which points to the last item in the list @file ListInterface.h */ #ifndef _LIST_INTERFACE#define _LIST_INTERFACE template<class ItemType>class ListInterface{public: /** Sees whether this list is empty. @return True if the list is empty; otherwise returns false. */ virtual bool isEmpty() const = 0; /** Gets the current number of entries in this list. @return The integer number of entries currently in the list. */ virtual int getLength() const = 0; /** Inserts an entry into this list at a given position. @pre None. @post If 1 <= position <= getLength() + 1 and the insertion is successful, newEntry is at the given position in the list, other entries are renumbered accordingly, and the returned value is true. @param newPosition The list position at which to insert newEntry. @param newEntry The entry to insert into the list. @return True if insertion is successful,…
class ArrayStackException extends Exception { ArrayStackException(String m) { super(m); }} public class ArrayStack { private int s[] = new int[100]; private int top=0; public void push(int data) throws ArrayStackException { if (top>=s.length) throw new ArrayStackException("Push overflow: " + data); s[top]=data; top++; } public int pop() throws ArrayStackException { if (top<=0) throw new ArrayStackException("Pop underflow: "); int value = s[top-1]; top--; return value; } public int peek() { int value = s[top-1]; return value; } public void clear() { top=0; } public int size() { return top; } public void display() { System.out.print( "size =" +top + ": "); for(int i =0; i<top;i++) { System.out.print( s[i] + " "); } System.out.println( ); } public static void…
public static ArrayList findExactString(String s, ArrayList myArray) { return null; } // Use the above method, findExactString, as a helper method to implement addWithoutDuplication method. The addWithoutDuplication method has the following properties: 1- It takes two arguments, a string s and an ArrayList myArray of type string. 2- It returns an integer which represents the number of occurrences of the string s in myArray while attempting to add it. 3- If myArray is null, it returns -1 4- If adds the string s to the end of the ArrayList myArray if the string s is not already there. public static int addwithout Duplication(String s, ArrayList myArray) { return -1;
using java programming code the following
Scanner sc = new Scanner(System.in);ArrayList <Student> students = new ArrayList<Student>();ArrayList <Student> courses = new ArrayList<Student>();// Method to read the file contents and stores it in// instance arraysvoid readStudents(){// Scanner class object declaredScanner readStuF = null;// try block beginstry{// Opens the file for readingreadStuF = new Scanner(new File("student.txt"));// Loops till end of the file to read recordswhile(readStuF.hasNextLine()){ String stu = readStuF.nextLine();String []eachStu = stu.split(" ");students.add(new Student(eachStu[0], eachStu[1],eachStu[2], Long.parseLong(eachStu[3]),Integer.parseInt(eachStu[4]), Integer.parseInt(eachStu[5]),Integer.parseInt(eachStu[6])));}// End of while loop }// End of try block// Catch block to handle file not found exceptioncatch(FileNotFoundException fe){System.out.println("\n ERROR: Unable to open the file for reading.");}// End of catch block // Close the filereadStuF.close();}// End of…
Lab 19 Building a linked list Start this lab with the code listed below. The LinkedList class defines the rudiments of the code needed to build a linked list of Node objects. You will first complete the code for its addFirst method. This method is passed an object that is to be added to the beginning of the list. Write code that links the passed object to the list by completing the following tasks in order: 1. Create a new Node object. 2. Make the data variable in the new Node object reference the object that was passed to addFirst. 3. Make the next variable in the new Node object reference the object that is currently referenced in variable first. 4. Make variable first reference the new Node. Test your code by running the main method in the LinkedListRunner class below. Explain, step by step, why each of the above operations is necessary. Why are the string objects in the reverse order from the way they were added? public class LinkedList { private Node first; public LinkedList () {…
Assignment1: Analyse the case study given in chapter 3 Linked listAnswer the following questions from Library.java1. Write the different class names with class keyword chapter 3 Linked list : https://drive.google.com/file/d/1NRN_3Fx3smkjwv1jgG8hzaiGfnNfeeDb/view?usp=sharing
can you explain the code with comments import randomrandom.seed = 1class array: def __init__(self, valuelist): self.atos = valuelist.copy() # this variable is the array that holds the data def additem(self, value): # adds a item to the array self.atos.append(value) def printarray(self): # prints the self.atos print(self.atos) def __contains__(self, key): # To test the binary search change the "__linearsearch" to "__binsearch" return self.__binsearch(key) def __linearsearch(self, key): # Implements the linear search to find an item in the array for item in self.atos: if item == key: return True return False def __binsearch(self, key): temp = sorted(self.atos) # Implements the binary search to find an item in the array temp. This implements an iterative bin search algorithm. low = 0 high = len(temp) - 1 while low <= high:…
creating tree containers: one that uses a vector to hold your trees (class VectorContainer). Each of these container classes should be able to hold any amount of different expressions each of which can be of any size. see example. Please create vectorContainer.hpp all I need sort.hpp #ifndef __SORT_HPP__#define __SORT_HPP__ #include "container.hpp" class Container; class Sort {public:/* Constructors */Sort(); /* Pure Virtual Functions */virtual void sort(Container* container) = 0;}; #endif //__SORT_HPP__ base.hpp #ifndef __BASE_HPP__#define __BASE_HPP__ #include <string> class Base {public:/* Constructors */Base() { }; /* Pure Virtual Functions */virtual double evaluate() = 0;virtual std::string stringify() = 0;}; #endif //__BASE_HPP__ container.hpp #ifndef __CONTAINER_HPP__#define __CONTAINER_HPP__ #include "sort.hpp"#include "base.hpp" class Sort;class Base; class Container {protected:Sort* sort_function; public:/* Constructors */Container() : sort_function(nullptr) {…
For any element in keysList with a value greater than 50, print the corresponding value in itemsList, followed by a comma (no spaces). Ex: If the input is: 32 105 101 35 10 20 30 40 the output is: 20,30, 1 #include 2 3 int main(void) { const int SIZE_LIST = 4; int keysList[SIZE_LIST]; int itemsList[SIZE_LIST]; int i; 4 6 7 8 scanf("%d", &keysList[0]); scanf ("%d", &keysList[1]); scanf("%d", &keysList[2]); scanf("%d", &keysList[3]); 10 11 12 13 scanf ("%d", &itemsList[0]); scanf ("%d", &itemsList[1]); scanf("%d", &itemsList[2]); scanf ("%d", &itemsList[3]); 14 15 16 17 18 19 /* Your code goes here */ 20 21 printf("\n"); 22 23 return 0; 24 }