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- Consider the following class: public class theClass { private double value; private string str; public static int count; public theClass () { } public theClass (double d, int, x, String s) { } public void print() { } public static void incrementCount() { } } a) How many members do class theClass have? b) Compare the purpose of the two constructors. c) Use the reference this to write the definition of a method print( )to output the value of the instance data members separated by commas. d) Write a statement to create an object myClass of the class theClass and initialise the instance variables to 5, 10.75 and the string Class. e) Write a definition (heading) for a copy constructor for the class.2) Consider the following class class Department { private: string name; const long locationNo; const longdeptId; intNumOfEmployees; static intnextDeptNo; static intnextLocationNo; public: Department( ); Department(string theName, totalEmps) void Print ( ) const; } Initialize both the values of nextDeptNo and nextLocationNo to 10000 Implement the default constructor to set the name to “Unknown”, locationNo to the current value of nextLocationNo, deptId to the current value of nextDeptNo and NumOfEmployees to zero. It should also increment the value of all static attributes by 1. Implement the other constructor to set the name and NumOfEmployees to the values that are passed to the contractor. The values of the locationNo and deptId should be assigned to the current values of nextLocationNo and nextDeptNo, respectively. This constructor should also increment the values of all static attributes by 1. The print function should print all values of all attributes (regular,…Given the following class. (JAVA) public class FamilyMember { public String drink( ) {return “cup”;} public String eat( ) {return “fork”;} } Write a Baby class that is derived from the FamilyMember class. The Baby class has an instance variable for the age, a default constructor, and a constructor that accepts an integer. Include any other necessary methods. If a baby is older than 3 years, print that “it eats with its fork”; otherwise, “it eats with its hands”.
- Answer the given question with a proper explanation and step-by-step solution. public class MainClass{ public static void main(String[] args) { SomeClass myObject = new SomeClass(4, 5); int fred = SomeClass.SOME_VALUE; int barney = myObject.method1(); int wilma = SomeClass.method2(4); }} Which of the following is a static variable a method1 b method2 c SomeClass d SOME_VALUE e This cannot be determined by examining the above codeQuestion :- Add a statement to the classA to test whether myChar is accessible. public class ClassB { public int x = 1; int y = 2; private int z =3; } public class ClassA { public static void main(String[] args) { ClassB cb = new ClassB(); // System.out.print(cb.x); /* 1 */ // System.out.print(cb.y); /* 2 */ // System.out.print(cb.z); /* 3 */ } }Write a class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public instance methods (getters & setters) for each instance variable. Now, write a class Circle with private instance variables as radius and Pi (value is 3.14). Write public setter, getter for radius, Area method for calculating Area, Draw method for radius. Formula for calculating area=pi*r^2 Formula for calculating radius= sqrt (xCordinate^2+yCordinate^2) Extend a Circle class from Point class such as Class Circle extends Point Write a Default constructor in Circle class that sets radius, xCoordinate & yCoordinate to some default value e.g. -1; Write a Parameterized constructor in Circle class which takes xCoordinate, yCoordinate and radius as a parameter. E.g. Circle (int xCoordinate, int yCoordinate, double radius) { this.xCoordinate= xCoordinate; this.yCoordinate= yCoordinate;…
- Write a class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public instance methods (getters & setters) for each instance variable. Now, write a class Circle with private instance variables as radius and Pi (value is 3.14). Write public setter, getter for radius, Area method for calculating Area, Draw method for radius. Formula for calculating area=pi*r^2 Formula for calculating radius= Math.sqrt (xCordinate^2+yCordinate^2) a. Extend a Circle class from Point class such as Class Circle extends Pointb. Write a Default constructor in Circle class that sets radius, xCoordinate & yCoordinate to some default value e.g. -1;c. Write a Parameterized constructor in Circle class which takes xCoordinate, yCoordinate and radius as a parameter.Now write a ColoredCirlce class with private instance variable as color (String) and public setter & getters. Extend the ColoredCircle from Circle and do the following operations.d. Write a default constructor…what is the output of the following codes : code 1. class A { { System.out.print(1); } } class B extends A { { System.out.print(2); } } class C extends B { { System.out.print(3); } } public class MainClass { public static void main(String[] args) { C c = new C(); } } code 2 class M { int i; public M(int i) { this.i = i--; } } class N extends M { public N(int i) { super(++i); System.out.println(i); } } public class MainClass { public static void main(String[] args) { N n = new N(26); } } code 3 class M { int i; public M(int i) { this.i = i--; } } class N extends M { public N(int i) { super(++i); System.out.println(i); } } public class MainClass { public static void main(String[] args) { N n = new N(26); } }This question concerns writing a Student class to model a student's name, composed of a first name, middle name and last name. The Student class should meet the following specification:Class StudentA Student object represents a student. A student has a first name, middle name and last name.Methodspublic void setNames(String first, String middle, String last)// Set the first, middle and last names of this Student object.public String getFullName()// Obtain the full name of this Student with the middle name converted to an initial only.2Thinking of the problem in terms of testing, there are three requirements that must be met:1. The setNames() method sets the names stored in the object i.e. the values of firstName, middleName, lastName.2. The getFullName() method obtains the name of the student with the middle name converted to an initial only.3. The getFullName() method does not change anything – i.e. it does not modify the values of firstName, middleName, lastNameHINT: To start your…
- 1/ Implement a class Employee. An employee has a name (a string) and a salary (a double). Provide a constructor with two arguments public Employee(String employeeName, double currentSalary) and methods public String getName() public double getSalary() public void raiseSalary(double byPercent) These methods return the name and salary, and raise the employee's salary by a certain percentage. Sample usage: Employee harry = new Employee("Hacker, Harry", 50000); harry.raiseSalary(10); // Harry gets a 10 percent raise Supply an EmployeeTester class that tests all methods. 2/Implement a class Car with the following properties. A car has a certain fuel efficiency (measured in miles/gallon or liters/km—pick one) and a certain amount of fuel in the gas tank. The efficiency is specified in the constructor, and the initial fuel level is 0. Supply a method drive that simulates driving the car for a certain distance, reducing the amount of gasoline in the fuel tank. Also supply methods…4- Consider the following program:public class ClassA{public void dothat(ClassB c1, ClassC c2){//method content goes here}}public class ClassB extends ClassA{}public class ClassC extends ClassB{}public class Main{public static void main(String[]args){ClassA c1 = new ClassA();ClassB c2 = new ClassB();ClassC c3 = new ClassC();}}Which of the following is a correct call to dothat? Why?a. c1.dothat(c1,c1);b. c2.dothat(c2,c2);c. c3.dothat(c1,c1);d. c2.dothat(c3,c2);e. c3.dothat(c3,c3);In python how do you: Complete the FoodItem class by adding a constructor to initialize a food item. The constructor should initialize the name to "None" and all other instance attributes to 0.0 by default. If the constructor is called with a food name, grams of fat, grams of carbohydrates, and grams of protein, the constructor should assign each instance attribute with the appropriate parameter value. The given program accepts as input a food item name, fat, carbs, and protein and the number of servings. The program creates a food item using the constructor parameters' default values and a food item using the input values. The program outputs the nutritional information and calories per serving for both food items. Ex: If the input is: M&M's 10.0 34.0 2.0 1.0 where M&M's is the food name, 10.0 is the grams of fat, 34.0 is the grams of carbohydrates, 2.0 is the grams of protein, and 1.0 is the number of servings, the output is: Nutritional information per serving of None:…