public class Animal{ public Animal() { System.out.println("ANIMAL"); } } public class Horse extends Animal { public Horse() { super(); System.out.println("HORSE"); } } public class Arabian extends Horse { public Arabian() { System.out.println("ARABIAN"); } } Given the class definitions above, what is printed to the console when the following lines of code are executed? Assume the code compiles and runs (i.e. ignore typos). Horse h = new Horse(); Arabian a = new Arabian();
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- 2. Consider the following class definitions: public class BClass } private int x; public void set(int a) } X a; { public void print() } System.out.print(x); { { public class DClass extends BClass } private int y; public void set(int a, int b) } //Postcondition: x =a; y=Db; { public void print( ) {.…} a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass.2. Add a constructor for Animal class shown. The constructor should pass in a string parameter named "sound". 1 using System; 2 3 public class Animal 4 { 5 public string Sound { get; set; } public void Speak() { Console.Writeline("The dog says " + Sound); } 10 11 } 12 13 public class Program 14 { public static void Main() { 15 16 17 18 } 19 } A 00For the following four classes, choose the correct relationship between each pair. public class Room ( private String m type; private double m area; // "Bedroom", "Dining room", etc. // in square feet public Room (String type, double area) m type type; m area = area; public class Person { private String m name; private int m age; public Person (String name, int age) m name = name; m age = age; public class LivingSSpace ( private String m address; private Room[] m rooms; private Person[] m occupants; private int m countRooms; private int m countoccupants; public LivingSpace (String address, int numRooms, int numoccupants) m address = address; new int [numRooms]; = new int [numOceupants]; m rooms %3D D occupants m countRooms = m countOccupants = 0; public void addRoom (String type, double area)
- JAVA Language Caesar Shift Question: Modify the Caesar class so that it will allow various sized shifts to be used, instead of just a shift of size 3. (Hint: Use an instance variable in the Caesar class to represent the shift, add a constructor to set it, and change the encode method to use it.) import java.util.*; public class TestCipher { public static void main(String[] args) { int shift = 7; Caesar caesar = new Caesar(); String text = "hello world"; String encryptTxt = caesar.encrypt(text); System.out.println(text + " encrypted with shift " + shift + " is " + encryptTxt); } } abstract class Cipher { public String encrypt(String s) { StringBuffer result = new StringBuffer(""); // Use a StringBuffer StringTokenizer words = new StringTokenizer(s); // Break s into its words while (words.hasMoreTokens()) { // For each word in s…Q 1: Access class members from the same package Note: ClassA and ClassB in this question are in the same package. 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 */ } } 1.1- Which statement(s) are true? Choose all that apply. a. If statement 1 is uncommented, the code prints "1" to the output. b. If statement 2 is uncommented, the code prints "2" to the output. c. If statement 3 is uncommented, the code prints "3" to the output. .d. This code does not compile 1.2- Try to do the following: • Declare a character type variable myChar in the class ClassB, the variable myChar shouldn't be accessible through the object cb. Add a statement to the classA to test whether myChar is accessible.class GradedActivity { private: double score; public: GradedActivity() { score = 0.0; } GradedActivity(double s) { score = s; } void setScore(double s) { score = s; } double getScore() { return score; } char getLetterGrade() const; }; Implement the GradedActivity class above. In this C++ assignment, create a new class Assignment which is derived from GradedActivity. It should have three private member ints for 3 different parts of an assignment score: functionality (max 50 points), efficiency (max 25 points), and style (max 25 points). Create member function set() in Assignment which takes three parameter ints and sets the member variables. It should also set its score member, which is inherited from GradedActivity, using the setScore() function, to functionality + efficiency + style. Signature: void Assignment::set(int, int, int) Create a main program which instantiates an Assignment, asks the user…
- class Time { private int hour; private int minute; private int second; public Time( ) { } public Time(int hr , int min, int sec) { } public void setTime(int hr , int min, int sec) { } public void printTime( ) { } public void tick( ) { // tick method defined } } The class Time defines a time object. It represents time (military time) in 2400 hours. 10 AM = 10 hours, 0 minutes and 0 seconds 4 PM = 16 hours, 0 minutes and 0 seconds 7:26PM = 19 hours, 26 miunutes and 0 seconds Assume 0 represents 00 in this case. 1) Implement the two constructor: Time(): will set the instance variables to zero. Time(int hr , int min, int sec): will set the time with parameters passed in. 2) Implement the setTime method to set the instance variables according to the values passed in. 3) Implement the printTime method to print time in hours:minutes:seconds e.g.…public class Animal { public void makeNoise() { System.out.println("talk"); }//end method makeNoise }//end class Animal public class Dog extends Animal { public void makeNoise() { System.out.println("Bark"); }/lend method makeNoise }//end class Dog What would the output of the following be? Explain your answer. Animal animal = new Animal(); animal.makeNoise(); Dog dog = new Dog(); dog.makeNoise(); Animal animaldog = new Dog(); animaldog.makeNoise();Consider the following class definition: (8) class base { public: void setXYZ(int a, int b, int c) ; voidsetX ( int a ) ; int getX ()const{returnx; } void setY ( int b ); intgetY()const{returny; } int mystryNum () {return ( x &*#x00A0;y - z &*#x00A0;z) ;} void print () const; base () } base(int a, int b, int c); protected: void setz ( int c) { z= c; } void secret(); int z= 0; private: int x= 0; int y = 0; }; a. Which member functions of the class base are protected? b. Which member functions of the class base are inline? c. Write the statements that derive the class myclass from class base as a public inheritance. d. Determine which members of class base are private, protected, and public in class myclass.
- Consider the following class definition: (8)class base{public:void setXYZ(int a, int b, int c);void setX(int a);int getX() const { return x; }void setY(int b);int getY() const { return y; }int mystryNum() { return (x * y - z * z); }void print() const;base() {}base(int a, int b, int c);protected:void setZ(int c) { z = c; }void secret();int z = 0;private:int x = 0;int y = 0;};a. Which member functions of the class base are protected?b. Which member functions of the class base are inline?c. Write the statements that derive the class myClass from classbase as a public inheritance.d. Determine which members of class base are private, protected,and public in class myClass.// Is my code correct? //please make it more efficient as you can. Thank you //please correct it if there is some mistakes public class PartTimeEmployee extends Person { //private variables private double payRate; private double hoursWorked; public PartTimeEmployee() { super(); /*invokes the default constructor of class Person */ payRate = 0; hoursWorked = 0; } public PartTimeEmployee(String idPerson, String nameFirst, String nameLast, String date, String addressPerson, double pay, double hours) { super(idPerson, nameFirst, nameLast, date, addressPerson); /*invokes the non-default constructor in other words, override the parameters from Person() non-defaukt with another set of parameters, example 'idPerson' variable overrides 'id' in Person() */ this.payRate = pay; this.hoursWorked = hours; } public String toString(String idPerson,…Find the error(s) in the following class definition: public class TestClass private int value1; private int value2; public void TestClass(int num1, int num2) { value1= num1; value2 = num2; }