In this activity, we are going to plan out and write a class definition that stores information for a book... Let's say we want to store the following information about this book: The book's name The book's author(s) (a book can have more than one author) The book's publisher The book's ISBN number The book's price The book's year of publication First, answer the following questions before the design: 1. What is a suitable name for this class? (Pick a name that best describes it).

In this activity, we are going to plan out and write a class definition that stores information for a book... Let's say we want to store the following information about this book: The book's name The book's author(s) (a book can have more than one author) The book's publisher The book's ISBN number The book's price The book's year of publication First, answer the following questions before the design: 1. What is a suitable name for this class? (Pick a name that best describes it).

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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In this exercise, we are going to revist our Car and ElectricCar class from lesson 3. In lesson 3, you were given the Car class and needed to complete the ElectricCar class. You can use your code from that exercise to get started here. The focus of this exercise is the CarTester class. In this class, you will prompt the user for a car model and if the car is not electric, you will also prompt the user for the miles per gallon. For each car, you will add it to a single ArrayList. You will continue asking the user until they exit, then you will loop through your ArrayList and print the results. Remember, for a method call to compile, it needs to be defined in the reference type (the Car class in this exercise), but the actual method that executes will be based on the instantiated class. In this exercise, we want electric cars to run the Override methods. Sample Output Please enter a car model name(exit to quit): Tesla Is this car electric? (y or n) y Please enter a car model name(exit to…
In this exercise, we are going to revist our Car and ElectricCar class from lesson 3. In lesson 3, you were given the Car class and needed to complete the ElectricCar class. You can use your code from that exercise to get started here. The focus of this exercise is the CarTester class. In this class, you will prompt the user for a car model and if the car is not electric, you will also prompt the user for the miles per gallon. For each car, you will add it to a single ArrayList. You will continue asking the user until they exit, then you will loop through your ArrayList and print the results. Remember, for a method call to compile, it needs to be defined in the reference type (the Car class in this exercise), but the actual method that executes will be based on the instantiated class. In this exercise, we want electric cars to run the Override methods. Sample Output Please enter a car model name(exit to quit): Tesla Is this car electric? (y or n) y Please enter a car model name(exit to…
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The Challenge: You are dealing with a lot of unfamiliar code and want to walk through it step by step. You've reached a call to the method do_the_funny_bird and want to know what it does, but you're not sure where it's defined. How to efficiently explore the code in such circumstances.
AVA code OVERVI EW This is a review exercise, so the primary goal of the exercise is to get your mind working and in the correct space.In this activity you will create a imaginary grid of locations that goes from −?≤?≤?, −?≤?≤?, with the coordinate (0,0) being "home". On this grid you will keep track of various animal objects as they move around the grid. Make sure that all animals stay within that grid at all timesincluding when they are created. Zwill be the map size and will control the highest number allowed on themap before wraping around. Using Java, create the following classes and primary program that uses the classes that you developed. INS T RUCT IONS Create the following classes. A N I MA L C LA SS Create an Animal class. Each animal has a name, an x and y integer coordinate. The Animal class should have at minimum the following methodsbelowbut you may want to add more if necessary: Also note, everyanimal will need to have to have “z”passed to it so that it knows how big the…
Write classes that could be used in a system that manages vehicles in a public transportation system. You will write classes to represent a TransitVehicle, Bus, and SubwayCar. The information about the classes is below. Step 1: Plan Your Class Design Before you start to code, decide how to design your classes. Which class should be the parent? the child? What variables or methods belong in each class? Step 2: Write the Core Class Components Write the three classes. Each class must have all of the following. Important: a class can have a method directly (meaning written into the code) or indirectly (meaning inherited from a parent). Either of these counts to meet the requirement. instance data variables transit vehicles are described by an id that contains letters and numbers and a description of the route buses are described by an id, route, and the number of miles per gallon (without decimals) subway cars are described by an id, route, and whether or not the car goes underground…
Instructor note: This lab is part of the assignment for this chapter. This lab uses two Java files, LabProgram.java and SimpleCar.java. The SimpleCar class has been developed and provided to you already. You don't need to change anything in that class. Your job is to use the SimpleCar class to complete the specified tasks in the main() method of LabProgram.java Given two integers that represent the miles to drive forward and the miles to drive in reverse as user inputs, create a SimpleCar object that performs the following operations: Drives input number of miles forward Drives input number of miles in reverse Honks the horn Reports car status The SimpleCar class is found in the file SimpleCar.java. Ex: If the input is: 100 4 the output is: beep beep Car has driven: 96 miles
Can you further elaborate on what each line of code is doing? As in more comments. Thank you
There are many different types of companies out there so trying to make one class that fits them all would be a challenge. We are going to take a look at modeling out a general company with the Company class and then customize that class with the OnlineCompany subclass. The basic structure is set up for both of these classes. Your task is to complete these classes as specified in the comments of each class. Once complete, use the CompanyTester class to create a Company and OnlineCompanyobject, then print each out using the toString(). --------------------------------- public class Company {private String name;private String streetAddress;private String city;private String state; // Set missing values to nullpublic Company(String name){} public Company(String name, String streetAddress, String city, String state){} public String getName(){} /*** Example output:* 123 Main St* Springfield, OH*/public String address(){} /*** Example output:* Widget Company* 123 Main St* Springfield,…
There are many different types of companies out there so trying to make one class that fits them all would be a challenge. We are going to take a look at modeling out a general company with the Company class and then customize that class with the OnlineCompany subclass. The basic structure is set up for both of these classes. Your task is to complete these classes as specified in the comments of each class. Once complete, use the CompanyTester class to create a Company and OnlineCompany object, then print each out using the toString(). public class CompanyTester{public static void main(String[] args){}} public class Company {private String name;private String streetAddress;private String city;private String state; // Set missing values to nullpublic Company(String name){} public Company(String name, String streetAddress, String city, String state){} public String getName(){} /*** Example output:* 123 Main St* Springfield, OH*/public String address(){} /*** Example output:*…
Write the class basics for an address class. Each class object should have its own street address, city, state and zip code. Be sure to include all the basic methods for this class.
Finish the TestPlane class that contains a main method that instantiates at least two Planes. Add instructions to instantiate your favorite plane and invoke each of the methods with a variety of parameter values to test each option within each method. To be able to test the functionality of each phase, you will add instructions to the main method in each phase.