How many objects are ready to be garbage-collected after executing the following code?Rectangular SnipPokemon m1 = new Pokemon ("Pikachu", 35);Pokemon m2 = new Pokemon ("Seel", 65);Pokemon m3 = new Pokemon ("Rikachu", 25);m1 = m2;m2 = m3;%3Dm3 = m1;

garbage means unreferenced objects. Garbage Collection is process of reclaiming the runtime unused…

How many objects are ready to be garbage-collected after executing the following code? Rectangu nip Pokemon m1 = new Pokemon( "Pikachu", 35); Pokemon m2 = new Pokemon( "Seel", 65); Pokemon m3 = new Pokemon("Rikachu", 25); m1 = m2; m3; m3 = m1; m2 =

How many objects are ready to be garbage-collected after executing the following code? Rectangu nip Pokemon m1 = new Pokemon( "Pikachu", 35); Pokemon m2 = new Pokemon( "Seel", 65); Pokemon m3 = new Pokemon("Rikachu", 25); m1 = m2; m3; m3 = m1; m2 =

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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Execute the following statements over initially empty ArrayList myList one after another (cascade). Explain what was changed after each statement (what did it do?) myList.add("z"); ArrayList content: Your explanation (where this output came from): myList.add(0, "a"); ArrayList content: Your explanation (where this output came from): myList.add("t"); ArrayList content: Your explanation (where this output came from): myList.add(2,"w"); ArrayList content: Your explanation (where this output came from): myList.set(0,"b"); ArrayList content: Your explanation (where this output came from):
Write a program that creates a Date object, sets its elapsed time to 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, and 100000000000, and displays the date and time using the toString () method, respectively.
In java Write a class with a main() method. The main() method should declare and initialize four different ArrayLists, each containing at least four int values. The class should also contain a method named fiveEight. Given an ArrayList of ints, the fiveEight should return the int 30 if every element of the given ArrayList is either a 5 or a 8; otherwise, it should return -9. There should be four calls to the allfiveEight method in the main() method.
Please use Python and don't make the code overly complicated and lengthy. Thanks. Create a KeyIndex class with the following properties : Fields: int [ ] k; Description An array of integers. Note: You can maintain another instance variable if needed (but you can’t use more than one). Constructor: KeyIndex(int [ ]a) Description: This constructor takes an array of integers a and populates array k with the element in a as indices into k. Note: make sure the build-up of your array k supports negative and non-distinct integers. Methods: search (int val) Description: This method searches for the value val within the array and returns true if found or false otherwise. sort () Description: This method will return the sorted form of the array that had been passed into the constructor. NOTE: Create a tester class or write tester statements to check whether the methods in your KeyIndex class work properly
Challenge exercise Create a class called SortingTest. In it, create a method that accepts an array of int values as a parameter and prints the elements sorted out to the terminal (smallest element first).
Exercise 2. Create a Book class where: Each book contains the following information: book title book Author name, barcode (as fong integers), and book topic. o Implement an appropriate constructor(s) and all necessary get/set methods. Test Book class: o Create diffcrent book objects (at least 5 hooks) and store them in a LinkedList sorted by book barcode value Generate a unique random integer value for the barcode. Iterate through the LinkedList and print out the books' details O Create a second LinkedList object containing a copy of the above LinkedList, but in reverse order.
What happens if you always generate a Random object with the same seed value?
The Delicious class – iterative methods The Delicious class must:• Define a method called setDetails which has the following header: public void setDetails(String name, int price, boolean available) This must find in the ArrayList the Chicken with the given name, change itspricePerKilo to the given price parameter and set whether it is in stock or not. A value of true for the available parameter means the chicken is in stock and a value of false means it is sold out (not in stock). Note that there will only be at most one Chicken object of the given name stored in the ArrayList.• Define a method called removeChicken that takes a single String parameter representing a chicken’s name. This method must remove from the ArrayList the Chicken object (if any) with the given name. The method must return true if a cheese with the given name was found and removed, and false otherwise.The Delicious class – challenge method In the Delicious class complete the findClosestAvailable method: This…
Write an application (including algorithm) that uses a class called “Book” (seedetails below). The application must perform the following tasks. Create an array of “Book” objects (i.e., array must be able to store 2books). Create 2 “Book” objects initialized as follows.o title = “C++ Textbook”; Author = “Pete Parker”; Publisher =“Cengage”, ISBN = “0123456789”; subject = “Computer Programming”;o title = “Java Textbook”; Author = “Bruce Wayne”; Publisher = “McGrawHill”, ISBN = “9876543210”; subject = “Computer Programming”; Add the two books to the array.o Assume the two publishers have merged into a new company called“BookConglomerate”. Use a loop to create statements to modify thepublisher field with the new publisher name. Display the following information for both bookso Book Title (i.e., “C++ Textbook” or “Java Textbook”)o Authoro Publishero ISBNo SubjectThe Book class must contain the following. Constructor with parameters that initialize all instance variables title, author,…
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What results may be expected if each instance of a Random object is generated using the same seed value?
The following code is part of the add method in the ArraySortedBag class. What is the missing code? if self.isEmpty() or item >= self.items[len(self) - 1]: <missing code> add.ArrayBag(self, item) add.self(item) ArrayBag.add(item) ArrayBag.add(self, item)