Consider: class Bike { } private String make; public Bike() { // ... } public Bike(String newMake) // ... } public public Bike (Bike bike) //... } Bike(Bike bike) is the no-arg constructor Bike() is the no-arg constructor Bike(String newMake) is the no-arg constructor This is not valid class declaration

Consider: class Bike { } private String make; public Bike() { // ... } public Bike(String newMake) // ... } public public Bike (Bike bike) //... } Bike(Bike bike) is the no-arg constructor Bike() is the no-arg constructor Bike(String newMake) is the no-arg constructor This is not valid class declaration

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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Class Quiz public Quiz (int quesList, int quesMissed) {quesList = this.quesList;quesMissed = this.quesMissed;} private void calculate(){// get the point worth of each question and calculate final scorepointsPerQues = (100/quesList);scoreQuiz = quesList - quesMissed;} Class PassFailQuiz public PassFailQuiz (int quesList, int quesMissed, int scoreQuiz) { super(quesList, quesMissed);} How do I move scoreQuiz from private void calculate() to equal the third constructor value in PassFailQuiz?
public class Aircraft { // instance vairables private String aircraftName; private String regNumber; private String manufacturer; privateintmaxRange; privateintcrewSize; private LocalDate yearPutInService; privateintmaxServiceWeight; privateintnumberOfPassengers; privateintcurrentAirMiles; private LocalDate lastMaintenanceDate; privateintlastMaintenanceMiles; /** * Default Constructor * * @param lastMaintenanceMiles * @param lastMaintenanceDate * @param totalMiles * @param model * @param manufacturer * @param regNumber * @param vehicleType */ public Aircraft(String aircraftName, String regNumber, String manufacturer, intmaxRange, intcrewSize, LocalDate yearPutInService, int maxServiceWeight, int numberOfPassengers, int currentAirMiles, LocalDate lastMaintenanceDate, int lastMaintenanceMiles) { { this.aircraftName = aircraftName; this.regNumber = regNumber; this.manufacturer = manufacturer; this.maxRange = maxRange; this.crewSize = crewSize; this.yearPutInService = yearPutInService;…
interface StudentsADT{void admissions();void discharge();void transfers(); }public class Course{String cname;int cno;int credits;public Course(){System.out.println("\nDEFAULT constructor called");}public Course(String c){System.out.println("\noverloaded constructor called");cname=c;}public Course(Course ch){System.out.println("\nCopy constructor called");cname=ch;}void setCourseName(String ch){cname=ch;System.out.println("\n"+cname);}void setSelectionNumber(int cno1){cno=cno1;System.out.println("\n"+cno);}void setNumberOfCredits(int cdit){credits=cdit;System.out.println("\n"+credits);}void setLink(){System.out.println("\nset link");}String getCourseName(){System.out.println("\n"+cname);}int getSelectionNumber(){System.out.println("\n"+cno);}int getNumberOfCredits(){System.out.println("\n"+credits); }void getLink(){System.out.println("\ninside get link");}} public class Students{String sname;int cno;int credits;int maxno;public Students(){System.out.println("\nDEFAULT constructor…
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public class Student { private String name; private String major; privatedoublegpa; privateinthoursCompleted; /**Constructor * @param name * The student's name * @param major * The student's major */ public Student(String name, String major) { this.name = name; this.major = major; this.gpa = 0.0; hoursCompleted = 0; } /**Constructor * @param name * The student's name * @param major * The student's major * @param gpa * The student's cumulative gpa * @param hoursCompleted * Number of credit hours the student has completed */ public Student(String name, String major, doublegpa, inthoursCompleted) { this.name = name; this.major = major; this.gpa = gpa; this.hoursCompleted = hoursCompleted; } /** * @return The student's major. */ public String getMajor() { returnmajor; } /** * @param major The major to set. */ publicvoid setMajor(String major) { this.major = major; } /** * @return The student's name. */ public String getName() { returnname; } /** * @param name The name to set. */…
Class Phone{ bool wired() string ageOfInnovation() } Class CellPhone extends Phone{ bool wired(){ return false; } string ageOfInnovation(){ return "1970's" } int thickness(){ return 0; } } Class SmartPhone extends CellPhone{ bool wired(){ return false; } string ageOfInnovation(){ return "1990's" } string popularlyCalled(){ return "mobile" } string mainFeature(){ return "Internet Capability"; } }
class Airplane – highlights -- planeID : String -planeModel: String //”Boeing 757” etc. --seatCapacity : int //would vary by outfitting ………… Assume getters and setters, toString(), constructor with parameters and constructor ……………… Write lambdas using a standard functional interface to: a) Given a plane object and a required number of seats as an input, determine if the given plane meets or exceeds the required capacity b) Output the plane description if capacity is less than 80% of a specified number (We would use his for planning aircraft assigned to various routes. ) c) Adjust the seats in a plane by a specified positive or negative number [after modifications have been made to the interior.] …and write an example for each showing the usage, using an Airplane instance plane1
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5 points Save Answer QUESTION 4 What is printed? public class Puppy { private int puppyAge; private String puppyName; Puppy(String name){ puppyName = name ;} public void setAge( int age ) { puppyAge = ++age; } public int getAge(){ return puppyAge; } %3D public class TestPuppy{ public static void main(String []args) { Puppy myPuppy = new Puppy( "tommy" ); myPuppy.setAge( 2 ); System.out.print("Puppy's age is :" + myPuppy.getAge()); System.out.print(" %3D Name chosen is :" + myPuppy.puppyNname ); D Puppy's age is : 2 Name chosen is : tommy Puppy's age is : 3 Name chosen is : tommy O Syntax Error O Run Time Error Save All Answers Close Window Save and Submit - Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Pro 888 ES F6 F3 96 7
class Vehicle{String s = "This is my vehicle" ;}class Car extends Vehicle{String s = "This is my car" ;{System.out.println( super .s);}} class Truck extends Car{String s = "This is my truck" ;{System.out.println( super .s);}}public class MainClass{public static void main(String[] args){Truck t = new Truck ();System.out.println(t.s);}}
class Player { protected: string name; double weight; double height; public: Player(string n, double w, double h) { name = n; weight = w; height = h; } string getName() const { return name; } virtual void printStats() const = 0; }; class BasketballPlayer : public Player { private: int fieldgoals; int attempts; public: BasketballPlayer(string n, double w, double h, int fg, int a) : Player(n, w, h) { fieldgoals = fg; attempts = a; } void printStats() const { cout << name << endl; cout << "Weight: " << weight; cout << " Height: " << height << endl; cout << "FG: " << fieldgoals; cout << " attempts: " << attempts; cout << " Pct: " << (double) fieldgoals / attempts << endl; } }; a. What does = 0 after function printStats() do? b. Would the following line in main() compile: Player p; -- why or why not? c. Could…