* ?How many times hello is printed
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![* ?How many times hello is printed
class Book{
public:
Book () {
cout<<"hello"<<endl;
-Book () {
cout<<"hello"<<endl;
main ()
С++
Book bl;
Book book;
Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1e22bda-d955-45a7-8b37-550728dea568%2F6aedbf74-51a6-4dd7-94a1-f86472cff0b5%2Fko3fsio_processed.jpeg&w=3840&q=75)
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- //PLEASE CORRECT MY MISTAKES, THANK YOUpublic class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate);…class Point { private: int x, y ; public: : x(u), y(v) {} Point (int u, int v) int getX) { return x; } int getY () { return y; } void doubleVal() { *= 2: y *= 2; } }; int main () { const Point myPoint (5, 3) myPoint.doubleVal() ; cout << myPoint.getX() << " " return 0; << myPoint.getY() << "\n"; }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<MyCourse> courseList; public String…
- 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() {…public class Application { public static void main(String[] args) { Employee empl = new Employee(); empl.firstName = "Ali"; empl.lastName = "Omar"; empl.salary = 20000; Employee emp2 = new Employee(); emp2.firstName = "Mohamed"; emp2.lastName = "Nour"; emp2.salary = 30000; System.out.println("- System.out.printin("- empl.employeeSalary(); System.out.println("- empl.checkEmployeeSalary(emp1.salary, emp2.salary); System.out.printin("- System.out.println("- printEmployee(emp2); System.out.printin("- Employee employeeArr[] = new Employee[2]: employeeArr[0] = empl; employeeArr[1] = emp2; Application a = new Åpplication(); a.printArrayofEmployee(employeeArr); Non static (instance) start to call Static function to print ---------"); "); - Non Static function to print - --"); Non static (instance) start to call same class Static function to print --------); -"); Non Static function to print ----); System.out.println("- System.out.printin("- System.out.printin("Salary : " + Employee.salary);…Exercise 2: The following is the class definition for Student and StudentsLI. Add an abstract method called grading to the Student class. The method does not have return value and parameter. public class Students{ public String name; private String matrix; protected double mark; protected char gred; Students (String name, String matrix, double mark){ this.name = name; this.matrix = matrix; this.mark = mark; } public void setMatrix (String matrix){ this.matrix = matrix; public void setMark (double mark){ this.mark = mark; public String getMatrix (){ return matrix; public double getMark(){ return mark; public void display(){ System.out.println("Name: "+name); System.out.println("Matrix number: "+matrix); System.out.println("Mark: "+mark); System.out.println("Gred: "+gred); } }
- class Node { int key; Node l, r; public Node(int item) { key = item; l = r = null; }} class Main{ Node root; Main() { root = null; } void Postorder(Node node) { if (node == null) return; Postorder(node.l); Postorder(node.r); System.out.print(node.key + " "); } void Inorder(Node node) { if (node == null) return; Inorder(node.l); System.out.print(node.key + " "); Inorder(node.r); } void Preorder(Node node) { if (node == null) return; System.out.print(node.key + " "); Preorder(node.l); Preorder(node.r); } void Postorder() { Postorder(root); } void Inorder() { Inorder(root); } void Preorder() { Preorder(root); } public static void main(String[] args) { Main tree = new Main(); tree.root = new Node(27); tree.root.l =…public Account (double initialBalance){balance = initialBalance;}public Account () {balance = 0;}public void deposit (double amount){balance += amount; // Balance = balance + amount}public void withdraw (double amount){balance -= amount; // balance = balance - amount}public void close (){balance = 0;}public String toString(){return "balance: " + balance;}} Modify the Account class by adding two instance variables containing the customer's name and the account number. Both will be String objects. Modify the primary constructor for the Account class so that it takes three parameters: the balance, the customer's name, and the account number. Add instance methods named getCustomerName and getAccountNumber that return the customer name and account number.public class ItemToPurchase { private String itemName; private int itemPrice; private int itemQuantity; // Default constructor public ItemToPurchase() { itemName = "none"; itemPrice = 0; itemQuantity = 0; } // Mutator for itemName public void setName(String itemName) { this.itemName = itemName; } // Accessor for itemName public String getName() { return itemName; } // Mutator for itemPrice public void setPrice(int itemPrice) { this.itemPrice = itemPrice; } // Accessor for itemPrice public int getPrice() { return itemPrice; } // Mutator for itemQuantity public void setQuantity(int itemQuantity) { this.itemQuantity = itemQuantity; } // Accessor for itemQuantity public int getQuantity() { return itemQuantity; }} import java.util.Scanner; public class ShoppingCartPrinter { public static void main(String[] args) { Scanner scnr = new…
- 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/** * Test Food class */ public class FoodTester { public static void main(String[] args) { Food berries = new Food("Strawberries", 4.95, 10); Food cheese = new Food("String Cheese", 5.50, 1); Food spinach = new Food("Spinach",3.95, 0.2); Food cucumber = new Food("Cucumber", 1.50, 0.9); Food rice = new Food("Rice", 4.95, 45.0); System.out.println(rice.getCarbs()); System.out.println("Expected: 45"); System.out.println(spinach.getCarbs()); System.out.println("Expected: 0.2"); System.out.println(cheese.isZeroCarb()); System.out.println("Expected: false"); System.out.println(berries.isZeroCarb()); System.out.println("Expected: false"); System.out.println(spinach.isZeroCarb()); System.out.println("Expected: true"); System.out.println(cucumber.isZeroCarb()); System.out.println("Expected: true"); System.out.println(spinach.getDescription()); System.out.println("Expected: Spinach carbs=0.2"); System.out.println(cheese.getDescription()); System.out.println("Expected: String Cheese carbs=1.0");…int getUpperScore(){ int upperScore = 0; for(int i = ONES; i <= SIXES; i++){ upperScore += score[i]; } return upperScore + getBonusScore(); } //Returns the score of the upper part of the board int getLowerScore(){ int lowerScore = 0; for(int i = THREE_OF_KIND; i <= YAHTZEE; i++){ lowerScore += score[i]; } return lowerScore; } //Returns the bonus points int getBonusScore(){ const int UPPER_SCORES_THRESHOLD = 63; const int BONUS_POINTS = 35; if(getUpperScore() >= UPPER_SCORES_THRESHOLD){ return BONUS_POINTS; } return 0; } //Returns the total score int getTotalScore(){ return getUpperScore() + getLowerScore(); } Test 10: Check upper board and having bonus correctly (0/3) failed
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