QUESTION 4include ciostreamusing nanespace std;45class Quadprivate:double height;double base;101213public:void read()void print()1415int nain)16171819Quad rec,par,squint choices20Which line(s) assigned memory to the above class?Line-5 to line-14All the answers are wrongLine-7 to Line-13Ow.Line-19

memory is allocated to a class only when its object is created. Here in the question, in line number…

QUESTION 4 einclude ciostrea using nanespace std class Quad private double height double base 10 11 12 publie void read()) veid print() 13 14 15 16 int nain) 17 18 Quad rec,par int choices 19 Which line(s) assigned memory to the above class? Line-5 to line-14 OK All the answers are wrong Line-7 to Line-13 Ow. Line-19 따

QUESTION 4 einclude ciostrea using nanespace std class Quad private double height double base 10 11 12 publie void read()) veid print() 13 14 15 16 int nain) 17 18 Quad rec,par int choices 19 Which line(s) assigned memory to the above class? Line-5 to line-14 OK All the answers are wrong Line-7 to Line-13 Ow. Line-19 따

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter18: Stacks And Queues

Section: Chapter Questions

Problem 18PE

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highlight the correct answer 6. A class should take any number as an argument but no other data types. Which code does this? a. public class xyz <T> b. public class xyz <T extends Number> c. public class xyz <T implements Number> d. public class xyz <T extends Integer> 7. Log4j.properties is set to 'warn'. Which would show in the log file? a. Info b. Debug c. Trace d. Error 8. Which would lock an object so that it could only be used by a single thread? a. join() b. yield() c. synchronized() d. start() 9. Which of the following is an example of a dependency between 2 objects? a. Vehicle and car b. Person and employee c. Pilot and plane d. Generic database reader and Oracle database reader
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Question: 3Implement the design of the Student_Tutor class that inherit from Student class so that the following code generates the output below:Hint: Each room has a capacity of 2 Student tutors.class Student: def __init__(self,name,student_id): self.name = name self.student_id = student_id self.semester = "Spring 2022" def details(self): print("Name:",self.name) print("Student_ID:",self.student_id) print("Current Semester:",self.semester)# Write your code here:STs = []S1 = Student("Reem", 18101235)S1.details()print("1.======================================")ST1 = Student_Tutor("Moynul", 16107892, 35, "CSE110", "CSE111")ST2 = Student_Tutor("Priyo", 16107792, 25,"CSE320")ST3 = Student_Tutor("Ronok", 18207892, 36, "CSE110", "CSE111", "CSE221", "CSE220")ST4 = Student_Tutor("Zeba", 19307892, 48, "CSE110")STs.extend([ST1, ST2, ST3, ST4])print("2.======================================")for i in range(len(STs)): STs[i].details()…
Write a class to satisfy the following main using constructor, destructor, copy constructor, operator =, and move constructor in c++ Please do not edit mainclass Chunk {private:int* p;public:};Chunk f(int n) {return Chunk(3, n); //use move constructor}int main() {Chunk a(100, 5); // allocates array of 100 elements, each = 5const Chunk b(a); // b is a copy of aconst Chunk c = a; // c is a copy of aChunk d = f();c = d; // operator =, wipes out c, replaces with d return 0;}
EXPLAIN EACH OF THE FOLLOWING LINE. import java.awt.*; import java.awt.geom.*;3 .import java.awt.font.*;4. import javax.swing.*; public class Main extends JPanel{ 6. static int angdeg=0; 7. @Override 8. public void paint(Graphics g){ 9. Graphics2D g2d = (Graphics2D) g; 10.g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.V ALUE_ANTIALIAS_ON); 11. g2d.setColor(Color.white); 12. g2d.fillRect(0,0,getWidth(),getHeight()); 13. Font font = new Font("serif",Font.BOLD,50); 14. g2d.setFont(font); 15.FontRenderContext frc = g2d.getFontRenderContext(); 16.TextLayout layout = new TextLayout("JAVA", font, frc); 17. double sw = layout.getBounds().getWidth(); 18. double sh = layout.getBounds().getHeight(); 19. AffineTransform saveTransform=g2d.getTransform(); 20. g2d.setColor(Color.black); 21. Rectangle rect = this.getBounds(); 22.…
Assume ContractEmployee, HourlyEmployee, CommissionEmployee, FixSalaryEmployee are sub-classes of Employee class. Define the body of below method suchthat it shall print how many employees of each type the ArrayList object passed as parametercontains? Static void countAndPrintAllTypesOfEmployee (ArrayList employees) { }
create a uml class diagram on this code: class grey(object): def __init__(self, name): self.name = name def getName(self): return self.name class Rank(grey): def __init__(self, name, rank): grey.__init__(self, name) self.rank = rank def getRank(self): return self.rank class Specialty(Rank): def __init__(self, name, rank, specialty): Rank.__init__(self, name, rank) self.specialty = specialty def getSpecialty(self): return self.specialty s = Specialty("Derek","Attending","Neurosurgery")print(s.getName(),s.getRank(),s.getSpecialty())
1. Construct a class Assessment with the following attributes a. Id (int) b. Topic(String) c. MaxMarks(double) d. Date of conduct (doc) (GregorianCalendar) e. attempts ArrayList <Attempt> //an array list that will contain the Attempts objects 2. In order to complete the above class you will have to write a class Attempt with the following attributes. This class represents the attempts that students have made against this assessment. a. studentId(int) b. studentName(String) c. marksObtained(double) 3. Provide constructor in Attempt class with values for all attributes 4. Provide getters and setters for each 5. Provide a toString method that produces the following string Student = --id-- : name Marks Obtained : --marks— 6. Now complete the Assessment class through Following steps a. Provide a parameterized constructor with arguments for all except the array list i. Instantiate the arraylist in the constructor along with other variables b. Provide getters for all except the…
Draw a class diagram for the parking office class below. Diagram shoukd not be hand drawn. N.B Parking office class has relations and dependencies with car, customer, parkinglot and parking charge classes. public class ParkingOffice {String name;String address;String phone;List<Customer> customers;List<Car> cars;List<ParkingLot> lots;List<ParkingCharge> charges; public ParkingOffice(){customers = new ArrayList<>();cars = new ArrayList<>();lots = new ArrayList<>();charges = new ArrayList<>();}public Customer register() {Customer cust = new Customer(name,address,phone);customers.add(cust);return cust;}public Car register(Customer c,String licence, CarType t) {Car car = new Car(c,licence,t);cars.add(car);return car;}public Customer getCustomer(String name) {for(Customer cust : customers)if(cust.getName().equals(name))return cust;return null;}public double addCharge(ParkingCharge p) {charges.add(p);return p.amount;}public String[]…
Q1: Write a class named as Bus that contains the attributes which are mentioned below: The name of Bus. The direction of Bus (North (N), South(S), East(E), West (W)) The position of Bus (from imaginary zero point)The class has the following member functions: A constructor to initialize the attributes Turn function to change the direction of bus to one step right side (e.g if the direction isto East, it should be changed to South and so on) Overload the Turn function to change the direction to any side directly. It should take thedirection as an argument. Move function to change the position of the Bus away from imaginary zero point. Itshould accept the distance as an argument.
Task 2: General AbstractsFor this task you will be asked to create the Java classes described in the UMLdiagram in Task 1.Instructions1. The class Person has the following implementations in addition to thosespecified above:• the dateOfBirth attribute is of type java.util.Date• public getter methods for the attributes• a public constructor Person with the following method signature:public Person(String idNumber, String name, Date dateOfBirth)• declare an abstract compareTo method in Person with the followingsignature:public int compareTo(Person p);2. The class called VaccineRecord has the following extra details:• the enum called VaccineType has the following possible values:JJ,AZ,MD,PF• the public constructor for the VaccineRecord has the following signa-ture:public VaccineRecord(VaccineType type, String batchCode);• the date attribute is of type java.util.Date3. The class called Patient that extends the Person class has the followingadditional attributes and behaviours:• the public…
23.2 LAB: Calculator class (Use Python) In the file main.py write a class called Calculator that emulates basic functions of a calculator: add, subtract, multiply, divide, and clear. The class has one attribute called value for the calculator's current value. Implement the following methods as listed below: Default constructor method to set the attribute to 0.0 add(self, val) - add the parameter to the attribute subtract(self, val)- subtract the parameter from the attribute multiply(self, val) - multiply the attribute by the parameter divide(self, val)- divide the attribute by the parameter clear(self) - set the attribute to 0.0 get_value(self) - return the attribute Given two float input values num1 and num2, the program outputs the following values: The initial value of the instance attribute, value The value after adding num1 The value after multiplying by 3 The value after subtracting num2 The value after dividing by 2 The value after calling the clear() method Ex: If…