Programming with Microsoft Visual Basic 2017
8th Edition
ISBN: 9781337102124
Author: Diane Zak
Publisher: Cengage Learning
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Chapter 10, Problem 5RQ
Which of the following statements is false?
- a. A class can contain only one constructor.
- b. An example of a behavior is the SetTime method in a Time class.
- c. An object created from a class is referred to as an instance of the class.
- d. An instance of a class is considered an object.
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Chapter 10 Solutions
Programming with Microsoft Visual Basic 2017
Ch. 10 - The name of a class file ends with which of the...Ch. 10 - The Inventory class contains a Private variable...Ch. 10 - Prob. 4RQCh. 10 - Which of the following statements is false? a. A...Ch. 10 - A Private variable in a class can be accessed...Ch. 10 - Prob. 7RQCh. 10 - Which of the following is the name of the...Ch. 10 - Prob. 10RQCh. 10 - Prob. 11RQCh. 10 - Prob. 12RQ
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- Design a class that holds the following personal data: name, address, age, and phone number. Write appropriate accessor and mutator methods. Also, write a program that creates three instances of the class. One instance should hold your information, and the other two should hold your friends’ or family members’ information.arrow_forwardPlease help with the following: C# .NET change the main class so that the user is the one that as to put the name in other words. Write a driver class that prompts for the person’s data input, instantiates an object of class HealtProfile and displays the patient’s information from that object by calling the DisplayHealthRecord, method. MAIN CLASS---------------------- static void Main(string[] args) { // Instance created holding 6 parameters which are field with value HealthProfile heartRate = new HealthProfile("James","Kill",1978, 79.5 ,175.5, 2021 ); heartRate.DisplayPatientRecord();// call the patient record method } CLASS HeartProfile------------------- public class HealthProfile { // attibutes which holds the following value private String _FirstName; private String _LastName; private int _BirthYear; private double _Height; private double _Weigth; private int _CurrentYear; public HealthProfile(string firstName, string lastName, int birthYear, double height, double wt, int…arrow_forwardWhich of the following statements is false? a. A class can contain only one constructor. b. An example of a behavior is the SetTime method in a Time class. c. An object created from a class is referred to as an instance of the class. d. An instance of a class is considered an object.arrow_forward
- D: A 21. The method finalize automatically executes when the class object goes out ofI Scope. 22. A mutator method ofa class changes the values of the data members of the class. 23. In Java, the reference this is used to refer to only the methods. not the instance variables of a class.arrow_forwardT/F: Instance variables are shared by all the instances of the class. T/F: The scope of instance and static variables is the entire class. They can be declared anywhere inside a class. T/F: To declare static variables, constants, and methods, use the static modifier.arrow_forwardQUESTION 7 A special method that is executed automatically when the class is instantiated. a. Getter O b. Setter O c. Initializer O d. Constructorarrow_forward
- Indicate whether the statement is true or false. 13. The non-static methods of a class are called instance method. 14. A constructor has no type and is therefore a void method. 15. A class can have only two constructors. 16. In shallow copying, each reference variable refers to its own object. 21. The method finalize automatically executes when the class objects goes out of scope. 22. A mutator method of a class changes the values of data members of the class. 23. In java, the reference this is used to refer to only the methods, not the instance variables of a class. 24. Classes that are defined within other classes are called inside classes. 25. Modifiers are used to alter the behavior of the class 26. A constructor has the same name as the class. 27. Constructors are called like any other method. 28. You can perform some arithmetic operations on class objects.arrow_forwardThe non-static class level variables and non-static methods of a class are known as a. instance members b. object behaviors c. object attributes O d. object referencesarrow_forwardWhat method is automatically executed whenever a new instance of the class, which the method belongs to, has been instantiated? a. encapsulation b. abstraction c. polymorphismarrow_forward
- Design a LandTract class that has two fields (i.e. instance variables): one for the tract’s length(a double), and one for the width (a double). The class should have: a constructor that accepts arguments for the two fields a method that returns the tract’s area(i.e. length * width) an equals method that accepts a LandTract object as an argument. If the argument object holds the same data (i.e. length and width) as the calling object, this method should return true. Otherwise, it should return false. a toString method (that returns a String representation of the tract’s length, width, and area). Demonstrate the class in a program by creating an array of three LandTract objects initialized with user input. Then, print the info of the LandTract objects stored in the array by invoking the toString method (implicitly or explicity). Also, use the equals method to compare at least two LandTract objects and print wether they are of equal size or not. Sample Output:…arrow_forward5. class definition for GameEnemy Next, we want to start making enemies for our upcoming video game, so we will define a class called GameEnemy. Every GameEnemy will have a name, an x location, a y location, and a number of hit points (which must be a non- negative integer ). The_init__ method for GameEnemy will take all of these parameters (in that order) and store them on the object. GameEnemy also needs a method called healthbar, which will allow us to show that enemy's health bar in the game. It returns the enemy's name followed by a number of asterisks to show how many hit points it has left. The exact format is shown below. Sample runs should look like: >>> enemy = GameEnemy ("TODD", 100, 200, 5) >>> enemy.healthbar() TODD: ****** >>> enemy-% ence 100 >>> enemy-y 200 If vou havo qu octionaarrow_forwardHow 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 threearrow_forward
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