Given the following class public class student { private String name; private String email; private int id; } Write two possible overloaded constructors for the class student
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Given the following class public class student { private String name; private String email; private int id; } Write two possible overloaded constructors for the class student
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- public class FoodItem { private String name; private double fat; private double carbs; private double protein; // TODO: Define default constructor // TODO: Define second constructor with parameters to initialize private fields (name, fat, carbs, protein) public String getName() { return name; } public double getFat() { return fat; } public double getCarbs() { return carbs; } public double getProtein() { return protein; } public double getCalories(double numServings) { // Calorie formula double calories = ((fat * 9) + (carbs * 4) + (protein * 4)) * numServings; return calories; } public void printInfo() { System.out.println("Nutritional information per serving of " + name + ":"); System.out.printf(" Fat: %.2f g\n", fat); System.out.printf(" Carbohydrates: %.2f g\n", carbs); System.out.printf(" Protein: %.2f g\n", protein); }} import java.util.Scanner; public class NutritionalInfo {…public class Employee { } private String Name; private String Surname; private int Age; private String EmployeeNum; public Employee (String Name, String Surname, int Age) { this.Name = Name; this. Surname = Surname; this. Age Age; } public Employee Clone() { Employee copy = new Employee (this. Name, this. Surname, this.Age); return copy; }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…
- class Lease{ private String name; private int aptNumber; private double rent; private int term; private static final int FEE = 10; public Lease(){ name = "XXX"; aptNumber = 0; rent = 1000; term = 12; } public void setName(String tenant) { name = tenant; } public void setAptNumber(int apt){ aptNumber = apt; } public void setRent(double monthRent) { rent = monthRent; } public void setTerm(int t){ term = t; } public String getName(){ return name; } public int getAptNumber(){ return aptNumber; } public double getRent(){ return rent; } public int getTerm(){ return term; } public void addPetFee(){ rent = rent + FEE; } } Create a class named TestLease as instructed below: Instantiate four Lease objects in the main()method. Change the aptNumber value for the first object to 20 Change the rent value…class first { public: void setX(); void print() const; protected: int y; void setY(int a); private: int x; }; Suppose that class second is derived from class first using the statement: class second: private first which members of class first are private, protected, and public in class second?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…
- Describe the public and private members of a class.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() {…A class variable does not belong to a particular object. It belongs to the entire class. Which field below is an example of a class variable? public class Pizza { private static int numPizzas; private static int numRestaurants; private static double reheatTemperature; private static string foodGroup; private string name; private string[] toppings; private double calories; private double price; } price foodGroup calories name
- //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);…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…class Animal { public String toString() { return "Animal"; } } class Mammal extends Animal { public String g() { return "Mammal g"; } public String f() { return "Animal f"; } } public String g() { return "Animal g"; } class Dog extends Mammal { public String f() { return "Dog f"; } } } class Reptile extends Animal { public String toString() { return "Reptile"; } class Lizard extends Reptile { public String g() { return "Lizard g"; } } Select True if the following declarations are legal, False otherwise: Lizard Godzilla = new Reptile(); [Select] Animal Simba= new Mammal(); [Select] Reptile Rango Animal []Ark = new Lizard(); [Select] = ↔ {new Animal(), new Reptile(), new Lizard()}; [Select] Lizard []Hatchlings = {new Animal(), new Reptile(), new Lizard()}; [Select]