A partial definition of the Account class is shown below. Select the best option to fill in the blank public class Account { private double balance; private String name; //rest of class not shown //assume that all class variables have been initialized //return first initial of the name variable public char getInitial(){return ];}

A partial definition of the Account class is shown below. Select the best option to fill in the blank public class Account { private double balance; private String name; //rest of class not shown //assume that all class variables have been initialized //return first initial of the name variable public char getInitial(){return ];}

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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The following class declaration has errors. Locate as many as you can. class Box { private: double width; double length; double height; public: Box(double w, l, h){ width = w; length = l; height = h; } Box(Box b) // Copy constructor      {width    = b.width;      length = b.length;      height = b.height; }      ... Other member functions follow ...};
public class LabProgram { public static void main(String args[]) { Course course = new Course(); String first; // first name String last; // last name double gpa; // grade point average    first = "Henry"; last = "Cabot"; gpa = 3.5; course.addStudent(new Student(first, last, gpa)); // Add 1st student    first = "Brenda"; last = "Stern"; gpa = 2.0; course.addStudent(new Student(first, last, gpa)); // Add 2nd student    first = "Jane"; last = "Flynn"; gpa = 3.9; course.addStudent(new Student(first, last, gpa)); // Add 3rd student    first = "Lynda"; last = "Robison"; gpa = 3.2; course.addStudent(new Student(first, last, gpa)); // Add 4th student course.printRoster(); }    } // Class representing a student public class Student { private String first; // first name private String last; // last name private double gpa; // grade point average…
Please code in python Create a program with two classes – the person class and the student The person class has the following properties: first name (first_name), last name (last_name) street address (address) city (city) zip code (zip) The class has the following methods: get_full_name, which returns the full name of a person get_full_address, which return greeting, returns a greeting message.                   The class should provide accessor and mutator for each property                   The class should override the __str__ method to return the state of the object. Create a child class called student which has a property named graduation year (graduation_year) and major. Provide accessor and mutator for each property of its own It inherits all the properties and methods of the person parent class as well. Create a test program that Create an object of the person class and print the full name of a person. Create an object of the person class and print…
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The following class definitions and function definitions should be used to help you finish the exam. train.h: car.h: #ifndef CAR_H #define CAR_H using namespace std; class Car #include "car.h" using namespace std; #ifndef TRAIN_H #define TRAIN_H class Train { private: Car* tHead; Car* tTail; public: Train(); -Train(); void addcarBack(Car *); void deleteFirstcar(); void removeFirstcaróftype(const string &); { private: string name; double maxSpeed; public: Car* nextcar; public: car(); Car(string); double getMaxspeed () const; string getName() const; void setName(const string &); }; #endif // Display list car by car void display() const; }; #endif Part of train.cpp: // addcarBack logic: if (traincarsHead == 0) { traincarsHead = toAdd; traincarsTail = toAdd; else { traincarstail->nextcar = toAdd; traincarsTail = toAdd;
public class Author2 {3 private String name;4 private int numberOfAwards;5 private boolean guildMember;6 private String[] bestsellers;78 public String Author()9 {10 name = "Grace Random";11 numberOfAwards = 0;12 guildMember = false;13 bestsellers = {"Minority Report", "Ubik", "The Man in the HighCastle"};14 }1516 public void setName(String n)17 {18 name = n;19 }20 public String getName()21 {22 return name;23 }2425 public void winsAPulitzer()26 {27 System.out.println(name + " gave a wonderful speech!");28 }29 } 1. This class includes a constructor that begins on line 8; however, it contains an error. Describe the error. 2. Rewrite the constructor header on line 8 with the error identied in part c of this question corrected. 3. Demonstrate how you might overload the constructor for this class. Write only the header. 4. Write a line of Java code to create an instance (object) of this class. Name it someAuthor. 5. Write a line of code to demonstrate how you would use the someAuthor object…
Chapter 15 Customer Employee Creator Create an object-oriented program that allows you to enter data for customers and employees. The person related classes will be stored in a module separate from the main function application module. Console Customer/Employee Data Entry Customer or employee? (c/e): c DATA ENTRY First name: Frank Last name: Wilson Email: frank44@gmail.com Number: M10293 CUSTOMER Full name: Frank Wilson Email: Number: Continue? (y/n): y Customer or employee? (c/e): e DATA ENTRY First name: Joel Last name: Murach Email: joel@murach.com SSN: 123-45-6789 EMPLOYEE Full name: Joel Murach Email: SSN: Bye! frank44@gmail.com Continue? (y/n): n ● M10293 ● Specifications Create a Person class that provides attributes for first name, last name, and email address. Include a parameter for each attribute in the constructor method. This class will provide a property or method that returns the person's full name. ● ● ● ● joel@murach.com 123-45-6789 Create a Customer class that…
/* (name header)*/public class BatteryTester{ public static void main(String[] args) { //=========================battery1============================ //Create a Battery object called battery1 using the default constructor System.out.println("=====Battery1====="); //Print the max capacity and the current capacity of battery1 //Check if the battery is full and print the result. You need to call the method isFull() //Drain the battery by 25.5 mAh //Print the current capacity of battery1 after draining //=========================battery2============================ //Create a Battery object called battery2 using the overloaded constructor and set the current capacity and //max capacity to 2000 mAh. System.out.println("\n=====Battery2====="); //Print the max capacity and the current capacity of battery2 //Drain the battery by 2200 mAh //Print…
6. Patient Charges Write a class named Patient that has attributes for the following data: • First name, middle name, and last name • Address, city, state, and ZIP code • Phone number ● The Patient class's init__ method should accept an argument for each attribute. The Name and phone number of emergency contact Patient class should also have accessor and mutator methods for each attribute. Next, write a class named Procedure that represents a medical procedure that has been performed on a patient. The Procedure class should have attributes for the following data: • Name of the procedure • Date of the procedure • Name of the practitioner who performed the procedure • Charges for the procedure 107 The Procedure class's __init__ method should accept an argument for each attribute. The Procedure class should also have accessor and mutator methods for each attribute Next, write a program that creates an instance of the Patient class, initialized with sample data. Then, create three…
class Course { private String courseNumber; private String courseName; private int creditHrs; public Course (String number, String name, int creditHrs){ this.courseNumber = number; this.courseName = name; this.creditHrs = creditHrs; } public String getNumber() { return courseNumber; } public String getName() { return courseName; } public int getCreditHrs() { return creditHrs; } public void setCourseNumber(String courseNumber) { this.courseNumber = courseNumber; } public void setCourseName(String courseName) { this.courseName = courseName; } public void setCreditHrs(int creditHrs) { this.creditHrs = creditHrs; }}class Student { private String firstName; private String lastName; private String gender; private String phoneNumber; private String email; private String jNumber; protected ArrayList courseList; public String getFullName() {…
Excluding the class constructor and destructor, all other class methods must specify a return type (for example, void/int/float) A.) TRUE B.) FALSE