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- 1. Which of these are ways you could refer to original and new class pairings? first class/second class parent/child base class/derived class superclass/subclass 2. We access both object and class attributes using dot notation True False 3. A function within a class definition is a(n) class function operation object function method 4. Objects have A value A type A reference count A unique ID 5. A class is a(n) _________ for an object Which of the following is not appropriate to fill in the blank? blueprint mold set of instructions accessor 6. A____could be thought of as a mold that creates objectsWhich (if any) of the following conditions are necessary for using polymorphism? Select all correct answers. The classes involved are in the same hierarchy. None of the classes can be abstract. All of the subclasses involved override the same method. The object reference cannot be of an interface type. An object reference of the superclass is used to call any methods. A superclass object is referenced by a subclass reference. Which of the following (if any) are true of abstract methods? Select all correct answers. Abstract methods must have a method body. Abstract methods cannot be declared in a class that isn't abstract itself. Abstract methods cannot be private or static. Abstract methods can only be declared in an interface. Abstract methods cannot be called. Constructor methods can be abstract.Which (if any) of the following conditions are necessary for using polymorphism? Select all correct answers. The classes involved are in the same hierarchy. None of the classes can be abstract. All of the subclasses involved override the same method. The object reference cannot be of an interface type. An object reference of the superclass is used to call any methods. A superclass object is referenced by a subclass reference. Which of the following (if any) are true of abstract methods? Select all correct answers. Abstract methods must have a method body. Abstract methods cannot be declared in a class that isn't abstract itself. Abstract methods cannot be private or static. Abstract methods can only be declared in an interface. Abstract methods cannot be called.
- Complete the following fill in the blank, True/False, Multiple Choice questions:1. An object is an instance of a:_________2. As a blueprint is a design for a house, a class is a design for a:_________3. Variables which are defined without the STATIC keyword and are outside any method declaration are Object specific and are known as instancevariables. _________True/ False 4. A static variable is common to all the instances (or objects) of the class because it is a class level variable. In other words you can say that only asingle copy of static variable is created and shared among all the instances of the class.__________True/False5. Which of these can be overloaded?a) Methodsb) Constructorsc) All of the mentionedd) None of the mentionedHow are instance attributes within an object's method referenced? Group of answer choices by using 'self' with dot notation before the instance variable's name. by using method name and dot notation before the name of the instance attribute. by specifiying the instance variable's name. by specifying the name of the class and the instance variable. What indicates that a class definition is complete? Group of answer choices The first line of code that is not indented. The classEnd statement. The defEnd statement. Nothing. Class definitions never end.Which of the following statements are TRUE about the elements within subsystems and their visibilities? I. None of the elements within a subsystem should have public visibility. II. Only the elements that call external classes should have public visibility. III. Only the elements that construct subsystem interface should have public visibility. IV. It is a good practice to use a façade class with elements that have public visibility. A Only I B All of them C None of them D II, III, and IV E III and IV
- Which of the following statements are true? Group of answer choices 1. A superclass reimplements the functionality of its subclasses. 2. A class that implements an interface reuses the functionality of the interface. 3. A derived class reuses the functionality instead of reimplements it. 4. If a class has no bugs, we can inherit from it without fear of having any bugs in our class.I can make the application but seem to always have issues with the Class UML Diagram. Below is the program I made and I attached the UML diagram. I was not completely sure about the Guest guest1 = new Guest (" ", " ") objects in the UML diagram. Any Advice? //-------------------First class: public class Guest { // Attributes belowprivate String firstName;private String lastName;//constructor belowpublic Guest(String firstName, String lastName) {this.firstName = firstName;this.lastName = lastName;} // Overloaded constructor belowpublic Guest() {this("No First Name Given", "No Last Name Given");} public String getFirstName() {return firstName;} public void setFirstName(String firstName) {this.firstName = firstName;} public String getLastName() {return lastName;} public void setLastName(String lastName) {this.lastName = lastName;} @Overridepublic String toString() {return firstName + " " + lastName;}} //------Second class import java.util.ArrayList; public class GuestList {public…solve this question using only java object oriented programming, also you will need do use a 4 files in driver class ,d1 will help you to understand the realation between the classes, and d3 to know the function in index A you must define a class named MediaRental that implements the MediaRentalInt interface functionality(index A). You must define classes that support the functionality specified by the interface:. Define a class named MediaRental. Feel free to add any instance variables you understand are needed or any private methods. Do not add any public methods (beyond the ones specified in the MediaRentalInt interface).. The media rental system keeps track of customers and media (movies ,music albums and games). A customerhas a name, address as string , a plan and two lists. One list represent the media the customer is interested inreceiving and the second one represents the media already received (rented) by the customer. There are twoplans a customer can have: UNLIMITED and…
- Which of the statements are true about OOP Paradigm? (Multiple choice can be selected) A It is considered to be the blueprint of an object B The object that will be produced out of the said class will have the same fields/variables, functions/methods, and value C It has a special method called a constructor D It has a special variable called a constructor E None of the other choices are correct.which of the following statements relating to information hiding in object-oriented programming is false? 1. Information hiding depends on the extensive use of global variable 2. Information hiding protects the value of variables from being changed inappropriately 3. Information hiding makes it easier for programmers to extend class without worrying about who may access the class properties/variable 4. Information hiding makes it easier for programmers to re-use classes without knowing the details of how they work internally.Draw the Class and Object Diagrams using the following specification of the hotel reservation? 1. For the hotel guest - search available rooms - make a reservation (after registration). Up to 2 reservations are possible for each guest confirm reservation -cancel reservation-pay through credit card or bank transfer