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- Mark the following statements as true or false. The member variables of a class must be of the same type. (1) The member functions of a class must be public. (2) A class can have more than one constructor. (5) A class can have more than one destructor. (5) Both constructors and destructors can have parameters. (5)Design a class named Employee. The class should keep the following information infields:• Employee name• Employee number in the format XXX-L, where each X is a digit within the range0-9 and the Lis aletter within the range A-M.• Hire date* Write one or more constructors and the appropriate accessor and mutator methods for theclass.Next, write a class named ProductionWorker that extends the Employee class. TheProductionWorker class should have fields to hold the following information:• Shift (an integer)• Hourly pay rate (a double)The workday is divided into two shifts: day and night. The shift field will be an integer valuerepresenting the shift that the employee works. The day shift is shift 1 and the night shift isshift 2. Write one or more constructors and the appropriate accessor and mutator methodsfor the class. Demonstrate the classes by writing a program that uses a ProductionWorkerobject. have to use beginner code because this is an intro class.Given the following code for a class named Employee, complete the following constructor public class Employee ( private int employeeID; private int SSN; public Emplyee(int employeeID, int SSN) {
- Analysis the following class definition and answer the following question. class Student{ private int id, age; protected float mark; int getAge (int a){ return a ; } protected void setMark (float m){ mark = m; } float result(){ return mark / 2; } } Which is the member variable of the class? a. setMark b. getAge c. result d. private e. ageHow many default constructors can a class have? a. A class cannot have a default constructor. b. only one c. as many as it needs d. one or more, but fewer than threeGiven the following class, called NumberHolder, write some code that creates an instance of the class, initializes its two member variables, and then displays the value of each member variable. public class NumberHolder { public int anInt; public float aFloat; }
- Create a class named Employee which contains an employee name, available to the entire program (public), and an employee ID number and hourly pay rate, available only to the members of the Employee class (private). Also write a constructor (the __init__ member function) which accepts a pay rate and changes it to 7.25, if the value entered is less than that. Do not write any accessor or mutator methods for the class.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?Consider the following class: 1.Write its default constructor 2.Write a code to declare an object from this class using the default constructor public class Dog { String name; String color; void barking() { } void hungry() { } void sleeping() { } }
- Examine the following code and select the correct statements (choose all possibleoptions): class Bottle {Bottle() {}Bottle(WaterBottle w) {}}class WaterBottle extends Bottle {WaterBottle() { }WaterBottle(Bottle w) { } } a) The class Bottle defines two overloaded constructors.b) The class WaterBottle defines two overloaded constructors.c) The class compiles successfully—a base class can use reference variables of its derived class as method parameters.d) Bottle and WaterBottle cause syntax errors.e) The class compiles successfully - A derived class can use reference variables of its base class as method parameters.f) A base class can’t pass reference variables of its defined class, as method parameters in constructors.Create a class Vehicle and three additional classes (each derived from Vehicle) named Car, Truck and Boat. The member attributes and functions for each class are given below. Make parametrized constructor for all classes.Vehicle:private:int wheels;float weight;int model;int passenger_capicty;public:void print_info()=0;Car:public:void print_info();Truck:private: float load_capicty;public:void print_info();Boat:public:void print_info();a) Write the declaration for class B. The members of the class should be as follows: m, an integer. This variable should not be accessible to code outside the class or to any class that extends class B. n, an integer. This variable should be accessible only to classes that extends class B or are in the same package as class B. setM, getM,setN, getN. These are the mutator aand accessor methods for the member variables m and n. These methods should be accessible to code outside the class. calc. This is a public abstract method. b) Write a declaration for class D, which extends class B. The members of the class are as follows: q, a double. This variable should not be accessible to code outside the class. r, a double. This variable should be accessible to any class that extends class D or is in the same package. setQ, getQ,setR, getR. These are the mutator aand accessor methods for the member variables q and r. These methods should be accessible to code outside the class. Calc, a…
