Consider the following instance variables and method from a class: private String descriptor; public String makeSentence(int quant, boolean sign) { Strings = "Object is "; if (!sign) { s += "not"; } for (int i=0; i
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- Trace through the following program and show the output. Show your work for partial credit. public class Employee { private static int empID = 1111l; private String name , position; double salary; public Employee(String name) { empID ++; this.name 3 пате; } public Employee(Employee obj) { empID = obj.empĪD; пате %3D оbj.naте; position = obj.position; %3D public void empPosition(String empPosition) {position = empPosition;} public void empSalary(double empSalary) { salary = empSalary;} public String toString() { return name + " "+empID + " "+ position +" $"+salary; public void setName(String empName){ name = empName;} public static void main(String args[]) { Employee empOne = new Employee("James Smith"), empTwo; %3D empOne.empPosition("Senior Software Engineer"); етрOпе.етpSalary(1000); System.out.println(empOne); еmpTwo empTwo.empPosition("CEO"); System.out.println(empOne); System.out.println(empTwo); %3D етpОпе empOne ;public class Number { private int num; public Number(int n) { num = n; } /* Type your code here */ public int getNum() { return num; } public void setNum(int n) { num = n; } public static void main(String [] args) { Number yourNum = new Number(723); System.out.print(yourNum); }}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);}}/* TestCarSensor.java - program to test the CarSensor class.*/public class TestCarSensor{public static void main (String[] args){CarSensor generic = new CarSensor();CarSensor tempCel = new CarSensor("temperature sensor", -50, +300, "C"); CarSensor speed = new CarSensor("speed sensor", 0, 200, "km/h"); CarSensor speed2 = new CarSensor("speed sensor 2", 0, 200, "m/h"); // 2. test changing desc and limitsSystem.out.println ();System.out.println ( generic ); // display generic sensor (zero)generic.setDesc ("special sensor"); // change descriptiongeneric.setLimits (-5,5,"units"); // change limitsSystem.out.println ( generic ); // display generic sensor again// 3. test displaying object (calling .toString() )System.out.println ();System.out.println ( tempCel );System.out.println ( speed );System.out.println ( speed2 );// 4. test setlimits() ruleSystem.out.println ();System.out.println ( generic ); generic.setLimits (10, -10, "blah"); System.out.println ( generic ); generic.setLimits (-10,…public class Secret private int x; private static int y; public static int count; public int z; public Secret () } X ?t = 2 { public Secret (int a) } { public Secret (int a, int b) } { public String toString() return ("x = " count = " + count); { public static void incrementY () { { 54. How many constructors are present in the class definition above? C. 2 d. 3 b. 1 55. What does the default constructor do in the class definition above? a. Sets the value of x to 0 c. Sets the value of x to 0 and the value of z to 1 d. There is no default constructor. b. Sets the value of z to 1 56. Based on the class definition above, which of the following statements is illegal? Secret.incrementY (); b. Secret.count++3B a. c. Secret. 2++; d. None of these 13
- object oriented programming using c++ class decleration: class MyPhoneBook{ string* names; string* phones; int phoneBookSize; public: MyPhoneBook(int); //Takes size MyPhoneBook(const MyPhoneBook&); //Copy Constructor bool addEntry(string ,string); bool displayEntryAtIndex(int); void displayEntryAtIndices(int*); void displayAll(); int* findByName(string); int* findByPhone(string); bool updateNameAt(string, int); bool updatePhoneAt(string, int); ~MyPhoneBook();};26. Assume the declaration of Exercise 24. A. Write the statements that derive the class dummyClass from class base as a private inheritance. (2 lines are { and }.) "A1 is { "A2 is "A3 is )) B. Determine which members of class base are private, protected, and public in class dummyClass. "B1 is dummyClass is a depublic class Stadium extends baseStadium{ public int typeTicket; int floors; int seating; String type; public float ticketPrice; public String leagueName=""; public void SetTecketName(String val) { leagueName=val; } public void setType() { if (typeTicket == 1) { type = "VIP"; } else { type = "Regular"; } } public String getType() { return type; } public void setPrice() { if (typeTicket == 1) { ticketPrice = 250; } else { ticketPrice = 100; } } public void setFloors(int floors) { this.floors = floors; } public int getFloors() { return floors; } public void setSeating(int seating) { this.seating = seating; } public int getSeating() { return seating; } public void printDetails() { System.out.println("Ticket Details:"); System.out.println("Ticket Type:…
- class Student { private int age = 18; public Student() { age = 19; } } public class Test { public static void main (String[] args){ Student s = new Student(); System.out.println (s.age); } }//Movie.java import java.util.Arrays; public class Movie { private String movieName; private int numMinutes; private boolean isKidFriendly; private int numCastMembers; private String[] castMembers; // default constructorpublic Movie() { movieName = "Flick"; numMinutes = 0; isKidFriendly = false; numCastMembers = 0; castMembers = new String[10]; } // overloaded parameterized constructorpublic Movie(String movieName, int numMinutes, boolean isKidFriendly, String[] castMembers) { this.movieName = movieName; this.numMinutes = numMinutes; this.isKidFriendly = isKidFriendly; //numCastMember is set to array lengththis.numCastMembers = castMembers.length; this.castMembers = castMembers; } public String getMovieName() { return this.movieName; } public int getNumMinutes() { return this.numMinutes; } public boolean getIsKidFriendly() { return this.isKidFriendly; } public boolean isKidFriendly() { return this.isKidFriendly; } public int getNumCastMembers() { return this.numCastMembers; } public…For the following four classes, choose the correct relationship between each pair. public class Room ( private String m type; private double m area; // "Bedroom", "Dining room", etc. // in square feet public Room (String type, double area) m type type; m area = area; public class Person { private String m name; private int m age; public Person (String name, int age) m name = name; m age = age; public class LivingSSpace ( private String m address; private Room[] m rooms; private Person[] m occupants; private int m countRooms; private int m countoccupants; public LivingSpace (String address, int numRooms, int numoccupants) m address = address; new int [numRooms]; = new int [numOceupants]; m rooms %3D D occupants m countRooms = m countOccupants = 0; public void addRoom (String type, double area)