Which of the following is the feature of Object-Oriented Programming described the reusability of code? Select one: a.Еxception b.Abstraction c.Inheritance O d.Encapsulation
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- QUESTION 6 Which of the following does not correctly create an object instance in Python? A. dog = Dog("Jamie") B. pupper = new Dog("Jamie") C. jamie = Dog() D. puppy = Dog("Jamie")Which of the following is designed to break information hiding principles (by letting the programmer control access control) in encapsulation constructs? friends modules packages assemblieswhich 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.
- Given the following class, what sets of statements would have the end result of the myUser instance having the username as testuser and the password as testpassword and then outputting the username and password? public class User { private String userName; private String password; public User(String userName, String password) { this.userName = userName; this.password = password; } public String getUserName() { return userName; } public String getPassword() { return password; } public void setUserName(String userName) { this.userName = userName; } public void setPassword(String password) { this.password = password; } } 1- User myUser = new User("testuser","testpassword"); System.out.println("User: " + myUser.username); System.out.println("Password: " + myUser.password); 2- User myUser = new User("testuser","testpassword"); System.out.println("User: " + myUser.username()); System.out.println("Password: " + myUser.password());…In object oriented programming which of the following concepts ensures that sensitive data is hidden from the end user? A) Polymorphism B) Encapsulation C) Inheritance D) AbstractionA. Which statement about object-oriented programming in JavaScript is correct? a. JavaScript programs may contain just two kinds of objects: native and host. b. Object-oriented programming refers to the creation of reusable, anonymous functions. c. The code and data within an object cannot be read or modified directly by other programs. d. The encapsulation provided by objects increases complexity but also increases speed. B. Suppose you have written JavaScript constructors for two object classes calledClassAandClassBand then the statementClassA.prototype = new ClassB();.ClassBcan use the value returned by one ofClassA’s methods in one of its own methods becauseClassBinherits all the properties and methods ofClassAin this situation. Select one: True False
- 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.QUESTION 1What Is Object-Oriented Programming? Explain the properties of OOP with an exampleQUESTION 2Explain pass by value and pass by reference with an exampleQUESTION 3Create a Windows Form application to accept Index Number, Name, and Marks in 5 subjects of a student and calculate the total, average, and display the grade.Which one of the following statements is true? In Java, super, base, and parent are all synonyms when discussing inheritance. In Java, child, sub, and derived are all synonyms when discussing inheritance. In Java, all classes are derived from the Object class. All of the above are true statements.
- PS: Please answer number 1 and 2 as they are related everything altogether. Make sure the code delivers expected successful output. 1. Create a Java class named Package that contains the following:a. Package should have three private instance variables of type double named length, width, andheight.b. Package should have one private instance variable of the type Scanner named input, initializedto System.in.c. No-args (explicit default) public constructor, which initializes all three double instance variables to1.0.d. Initial (parameterized) public constructor, which defines three parameters of type double,named length, width, and height, which are used to initialize the instance variables of same name.e. Public copy constructor, with a parameter of type Package, used to duplicate anexisting Package object.f. Three public void methods named inputLength, inputWidth, and inputHeight. Each methodwill prompt the user for the appropriate property, and input a double value usingthe Scanner…Create a C# class called Document with the following Properties: Name (string) NumberOfPages (int) CreatedOn (DateTime): make this a readonly property. Note that DateTime is a struct in the namespace System Add a constructor to allow initialization of CreatedOn Add ToString Method (hint: override toString method of System.Object class) Then, write a Main method to test your class Document. Create document1 with name “PhoneNumbers.txt” and 3 pages Create document2 with name “Report.docx” and 30 pages Demo how you cannot change the CreatedOn property of each document objectWhich of the following is NOT true for Java? A. Java supports references instead of pointers. B. Java supports multiple inheritance. C. Java is an Object-Oriented language. D. Java supports public, private and protected access modifiers. Many modern applications change frequently before they are presented to the end user and then after the first versions have been used. Which of the following is NOT one of the few ways to build software to stop deterioration due to change? A. Convince users to use the applications without change. B. There should be a backup person for every critical team member. C. Gather the required information. D. Review works done up to a particular stage
