Missing code 464730 3214874.4x3zqy7Jump to level 1Read an integer as the number of Cone objects. Assign myCones with an array of that many Cone objects. For each object, callobject's Read() followed by the object's Print().Ex: If the input is 1 5.0 3.0, then the output is:Cone's radius: 5.0Cone's height: 3.0Cone with radius 5.0 and height 3.0 is deallocated.24 cout << "Cone'sradius: " << fixed << setprecision (1) << radius << endl;25cout << "Cone's height: " << fixed << setprecision (1) << height << endl;26}27 Cone::-Cone () { // Covered in section on Destructors.28cout << "Cone with radius " << radius << " and height << height << " is deallocated." << endl;29 }3031 int main() {32333435363738394041}Cone myCones = nullptr;int count;int i;*Your code goes here */delete[] myCones;return 0;1CheckNext levelCS Scanned23amScanner"145><2<Enndhaal Jump to level 1Read an integer as the number of Cone objects. Assign myCones with an array of that many Cone objects. For each object, callobject's Read() followed by the object's Print().Ex: If the input is 1 5.0 3.0, then the output is:Cone's radius: 5.0Cone's height: 3.0Cone with radius 5.0 and height 3.0 is deallocated.5 class Cone {6public:78Cone();void Read();void Print();-Cone();91011121314 };15 Cone::Cone() {1617private:double radius;double height;Obrak.radius= 0.0;height = 0.0;18}19 void Cone:: Read() {20cin >> radius;21cin >> height;22}23 void Cone::Print() {CS Scanned with CamScannerat level45>1<2<3>45

1) Below is updated program that We first read an integer count from the user to determine the…

Cone's radius: 5.0 Cone's height: 3.0 Cone with radius 5.0 and height 3.0 is deallocated. 24 25 26 } 27 Cone::-Cone () { // Covered in section on Destructors. 28 cout << "Cone with radius " << radius << " and height " << height << " is deallocated." << endl; cout << "Cone's cout << "Cone's 29 } 30 31 int main() { 32 33 34 35 36 37 38 39 40 41 >> radius: " << fixed << setprecision (1) << radius << endl; height: " << fixed << setprecision (1) << height << endl; Cone myCones = nullptr; int count; int i; Y* Your code goes here */ delete[] myCones; return 0;

Cone's radius: 5.0 Cone's height: 3.0 Cone with radius 5.0 and height 3.0 is deallocated. 24 25 26 } 27 Cone::-Cone () { // Covered in section on Destructors. 28 cout << "Cone with radius " << radius << " and height " << height << " is deallocated." << endl; cout << "Cone's cout << "Cone's 29 } 30 31 int main() { 32 33 34 35 36 37 38 39 40 41 >> radius: " << fixed << setprecision (1) << radius << endl; height: " << fixed << setprecision (1) << height << endl; Cone myCones = nullptr; int count; int i; Y* Your code goes here */ delete[] myCones; return 0;

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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Write a class ArrayMethods, where the main method asks the user to enter the number of inputs and stores them in an array called myList. Create a method printArray that prints the array myList. Create another method copyArray that copies the array using System.arraycopy, and multiplies each element in the copied array by 2, then finally returns the array to the main method. Invoke the printArray again to print the array returned by copyArray.
implement a grid transformation that reduces the size of the grid, while retaining the information in it in python 3 __init__(self, size: int): create a square 2-D grid of ints with size rows and size columns. Initialize all values to 0. set_value(self, i: int, j: int, val: int): set the value in the i-th row and j-th column to val. squish(self, k:int): Sum up the elements of k by k blocks of the grid. This method does not return anything, but rather modifies the grid object. The size of the modified grid is n / k where n was the original size. You can assume that the grid's size is divisible by k.
Implement a class named Parade using an ArrayList, which will manage instances of class Clown. Each Clown only needs to be identified by a String for their name. Always join a new Clown to the end of the Parade. Only the Clown at the head of the Parade (i.e., the first one) can leave the Parade. In addition, also write a method called isFront that takes a Clown as parameter and returns true if the passed clown is at the front of the parade otherwise returns false. Create a test application to demonstrate building a parade of three or four clowns and include your own name. Then, remove one or two, and add another one or two. Also, test the isFront method by passing different clowns to the method.
Implement the "paint fill"feature seen in several picture editing products.To put it another way, if you have a screen (represented by a two-dimensional array of colours), a point, and a new colour, Fill in the surrounding area until the colour shifts away from the original.
The input to this method is supposedly an ArrayList of integersthat ranges from 1 to 100, however this is not exactly the case.Sometimes, there will be gaps in the range for example, the rangecould be: [1 2 ... 7 8 ... 99 100], with missing ranges in between.Find all the missing numbers from the range, add them to an ArrayList,return the ArrayList. language java
In this exercise, you are going to build on your Circleclass from the previous exercise. You are going to add 2 method, areaDifference and perimeterDifference. Both methods take a doubleradius of a second circle and return the difference from the current circle. For example, if you create a Circle object with a radius of 4 and call areaDifference(3), you will return the diffence between the area of a circle with radius 4 and the area of a circle with a radius of 3. perimeterDifferencewould be the same. Make sure you create at least one Circle and test and print the results of your methods. in java
In this exercise, you are going to build on your Circleclass from the previous exercise. You are going to add 2 method, areaDifference and perimeterDifference. Both methods take a doubleradius of a second circle and return the difference from the current circle. For example, if you create a Circle object with a radius of 4 and call areaDifference(3), you will return the diffence between the area of a circle with radius 4 and the area of a circle with a radius of 3. perimeterDifferencewould be the same. Make sure you create at least one Circle and test and print the results of your methods. given: public class Circle{private double radius;public Circle(double theRadius){radius = theRadius;}// Add a method called area that returns the area of a circle// using Math.PIpublic double area(){return Math.PI*radius*radius;}// Add a method called perimeter that returns the perimeter of a// circle using Math.PIpublic double perimeter(){return Math.PI*2*radius;}}
can you solve this please? Adopt appropriate Java animation code to implement the video in the file “test4.wmv” and given that the parametric equation for a circle. x=r*cos(t) y=r*sin(t) with t in range [0, 2p] and r is the radius of the circle. (the circle goes in a loop like in the images, i did my best to try to explain it , please try to do it ) and here is a sample of what they want me to use : package javaapplication1;import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.awt.geom.*;import java.util.Random;import javax.imageio.*;import java.io.File;import java.io.IOException;import java.awt.image.BufferedImage;import java.awt.event.*;import java.util.Calendar; public class JavaApplication1 extends JApplet { public static void main(String[] args) { JFrame frame=new JFrame(); frame.setTitle("hello"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JApplet applete =new JavaApplication1(); applete.init();…
The input to this method is supposedly an ArrayList of integers that ranges from 1 to 100, however this is not exactly the case. Sometimes, there will be gaps in the range for example, the range could be: [1 2 ... 7 8 ... 99 100], with missing ranges in between. Find all the missing numbers from the range, add them to an ArrayList, return the ArrayList.------------------------ Below is my code that is failing. It is returning the correct missing numbers but is not going passed the last number from the array. so [4,5,14,16,23,76,89] It is placing all of the missing numbers up to 88 when it should be going to 100 The solution should only return the missing numbers from 1-100. The original numbers from the given array should not be included in the return. How can I only return the missing numbers? ------------------------ public ArrayList<Integer> solution(ArrayList<Integer> nums) {ArrayList<Integer> result = new ArrayList<Integer>();int count =…
The input to this method is supposedly an ArrayList of integers that ranges from 1 to 100, however this is not exactly the case. Sometimes, there will be gaps in the range for example, the range could be: [1 2 ... 7 8 ... 99 100], with missing ranges in between. Find all the missing numbers from the range, add them to an ArrayList, return the ArrayList.------------------------ Below is my code that is failing. It is returning the correct missing numbers but is not going passed the last number from the array. so [4,5,14,16,23,76,89] It is placing all of the missing numbers up to 88 when it should be going to 100 ------------------------ public ArrayList<Integer> solution(ArrayList<Integer> nums) {ArrayList<Integer> result = new ArrayList<Integer>();int count = 0;for(int i = 0;i<nums.size()-1;i++){for(int j = nums.get(i)+1;j<nums.get(i+1);j++){count++;result.add(j);}}return result;}
Improve the method printList to print out the details of all publications ordered on the category of the publications, and then on the title within each category. Note: currently there are only 2 categories, i.e. Book and Journal, but the project may be expended by adding other categories, e.g. Newspaper etc. Here are my four classes. public class Database {private ArrayList<Publication> publicationList; // An array list collection of publications /*** Create a new database*/public Database() {publicationList = new ArrayList<Publication>();} /*** Add a publication** @param publication The publication to be added*/public void addPublication(Publication publication) {if (publicationList.contains(publication)) {System.out.println("This publication has already been added to the list: " + publication);} else {publicationList.add(publication);}} /*** Get the total number of publications** @return The total number of publications*/public int getTotal() {return…
Implement the ShoppingCart and Product class with necessary properties so that the given output is produced. Do not change any given code.s1 = ShoppingCart()p1 = Product("Razer BlackShark","Headset",99.99,5)p2 = Product.createProduct("Razer Huntsman","Keyboard",249.99,12)print("1.====================================")s1.addGadget(p1,p2)print("2.====================================")s1.setCartName("Amazon")s1.addGadget(p1,p2)s1.addGadget(Product("HyperX Fury","Mousepad",26.99,21))print("3.====================================")print("Total Products created:",Product.totalProducts)print("4.====================================")s1.printCartDetails()print("5.====================================")s1.removeFromCart("Logitech G ProX Superlight")print("6.====================================")s1.removeFromCart("Razer Huntsman")print("7.====================================")s1.printCartDetails()Output:1.====================================Please set the cart name…