1. Create a class named Book and declare the fields author, title and pages with suitable field types. 2. Declare the constructor and initialize the fields author and title with the assigned constructor parameter. 3. Name the constructor parameter as your own. 4. Add two accessor methods to the class getAuthor, getTitle and getPages that return the author and title fields as their respective results. Add mutator method to change the pages of the Book class. 5. Add two methods, printAuthor and printTitle, to this Book class project. These should print the author and title fields, respectively, to the terminal window.
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- Write a program in BlueJ using the following hints. 1. Create a class named Book and declare the fields author, title and pages with suitable field types. 2. Declare the constructor and initialize the fields author and title with the assigned constructor parameter. 3. Name the constructor parameter as your own. 4. Add two accessor methods to the class getAuthor, getTitle and getPages—that return the author and title fields as their respective results. Add mutator method to change the pages of the Book class. 5. Add two methods, printAuthor and printTitle, to this Book class project.QI. Write a program in BlueJ using the following hints. 1. Create a class named Book and declare the fields author, title and pages with suitable field types. 2. Declare the constructor and initialize the fields author and title with the assigned constructor parameter. 3. Name the constructor parameter as your own. 4. Add two accessor methods to the class getAuthor, getTitle and getPages—that return the author and title fields as their respective results. Add mutator method to change the pages of the Book class. 5. Add two methods, printAuthor and printTitle, to this Book class project. These should print the author and title fields, respectively, to the terminal window.Please complete the following tasks: Write a class “Actor” that contains two attributes with the appropriate level of visibility explicitly defined. “Name” which is a String, Private, “NumberofAwards” which is an integer, private Write a default Constructor for this class that initializes the name to “Bob Smith” , and the number of awards to 0. Write an overload the constructor for this class that accepts actor’s name as a parameter Write accessor methods for each of the attributes. Write a method “winsAnOscar” that increases the number of awards by one and prints “The crowd applauds for <actor’s name>!” Be sure to use accessors where appropriate. Make sure your header is complete, with the appropriate level of visibility and any required keywords.
- Create a Shape class that shall have color and filled instance variables of enum Color and boolean type. The filled boolean variable shall show, whether the shape is filled (colored). The enum Color shall be defined within the class having 4 color names (choose any four). Also define getArea and getPerimeter method in Shape class, both shall return 0. Create Rectangle class with length and width attributes and a Circle class with radius attribute, of type double. Properly encapsulate all fields. Circle and Rectangle shall extend Shape class and override getArea and getPerimters methods as per its type and specific formula. In Test class, create an object of Rectangle and Circle, by initializing all attributes in constructor and print both shapes' area and perimters. In Test class, define a static method with following signature, public static void printEachShapeCount(Shape... shapes) As you know, the parent type variable can hold the reference of any child class object. That…Create a class named Person that holds the following fields: two String objects for the person’s first and last name and a LocalDate object for the person’s birthdate. Create a class named Couple that contains two Person objects. Create a class named Wedding for a wedding planner that includes the date of the wedding, the Couple being married, and a String for the location. Provide constructors for each class that accept parameters for each field, and provide get methods for each field.Design a class named MyPoint to represent a point withx- and y-coordinates. The class contains:■■ The data fields x and y that represent the coordinates with getter methods.■■ A no-arg constructor that creates a point (0, 0).■■ A constructor that constructs a point with specified coordinates.■■ A method named distance that returns the distance from this point to aspecified point of the MyPoint type.■■ A method named distance that returns the distance from this point toanother point with specified x- and y-coordinates.■■ A static method named distance that returns the distance from two MyPointobjects.Draw the UML diagram for the class then implement the class. Write a testprogram that creates the two points (0, 0) and (10, 30.5) and displays the distancebetween them.
- What indicates that a class definition is complete? A. The first line of code that is not indented. B. The classEnd statement. C. The defEnd statement. D. Nothing. Class definitions never end. How are instance variables within an object's method referenced? A. by attaching 'self' and a period before the instance variable's name B. by attaching the method name and a period before the name of the instance variable. C. by specifiying the instance variable's name D. by specifying the name of the class and the instance variable. Which of the following statements correctly shows the first line of a class definition for Rectangle? A. class Rectangle: B. def class Rectangle: C. class Rectangle(): D. class Rectangle(self):Create a class named Poem that contains the following fields: title - the name of the poem (of type String) lines - the number of lines in the poem (of type int) Include a constructor that requires values for both fields. Also include get methods to retrieve field values. Create three subclasses: Couplet, Limerick, and Haiku. The constructor for each subclass requires only a title; the lines field is set using a constant value. A couplet has two lines, a limerick has five lines, and a haiku has three lines. ***Can I also get an explaination for each step thank you so much for all of your help ^_^**** import java.util.*; public class DemoPoems { public static void main(String[] args) { Poem poem1 = new Poem("The Raven", 84); Couplet poem2 = new Couplet("True Wit"); Limerick poem3 = new Limerick("There was an Old Man with a Beard"); Haiku poem4 = new Haiku("The Wren"); display(poem1); display(poem2); display(poem3);…Create a class named Poem that contains the following fields: title - the name of the poem (of type String) lines - the number of lines in the poem (of type int) Include a constructor that requires values for both fields. Also include get methods to retrieve field values. Create three subclasses: Couplet, Limerick, and Haiku. The constructor for each subclass requires only a title; the lines field is set using a constant value. A couplet has two lines, a limerick has five lines, and a haiku has three lines. These are the provided classes and subclasses : public class Poem { // Define the Poem class here } public class Limerick { // Define the Limerick class here } public class Haiku { // Define the Haiku class here } public class Couplet { // Define the Couplet class here } import java.util.*; public class DemoPoems { publicstaticvoidmain(String[] args) { Poem poem1 =newPoem("The Raven",84); Couplet poem2 =newCouplet("True Wit"); Limerick poem3 =newLimerick("There was an…
- Create a class Course, which has one field: String courseName Create the constructor, accessor, and mutator for the class. Then, in the main method of this class, create an instance of the class with the name "CST1201". Write an equivalent while statement to replace the following for statement for (int i=2; i<100; i=i+2) { System.out.println(i); }Create a class named Person that holds the following fields: two String objectsfor the person’s first and last name and a LocalDate object for the person’sbirthdate. Create a class named Couple that contains two Person objects. Create aclass named Wedding for a wedding planner that includes the date of the wedding,the names of the Couple being married, and a String for the location. Provideconstructors for each class that accept parameters for each field, and provide getmethods for each field. Then write a program that creates two Wedding objectsand in turn passes each to a method that displays all the details. Save the files asPerson.java, Couple.java, Wedding.java, and TestWedding.java.a. Write a FractionDemo program that instantiates several Fraction objects and demonstrates that their methods work correctly. Create a Fraction class with fields that hold a whole number, a numerator, and a denominator. In addition: Create properties for each field. The set access or for the denominator should not allow a 0 value; the value defaults to 1. Add three constructors. One takes three parameters for a whole number, numerator, and denominator. Another accepts two parameters for the numerator and denominator; when this constructor is used, the whole number value is 0. The last constructor is parameterless; it sets the whole number and numerator to 0 and the denominator to 1. (After construction, Fractions do not have to be reduced to proper form. For example, even though 3/9 could be reduced to 1/3, your constructors do not have to perform this task.) Add a Reduce() method that reduces a Fraction if it is in improper form. For example, 2/4 should be reduced to 1/2. Add an operator+() method that adds two Fractions. To add two fractions, first eliminate any whole number part of the value. For example, 2 1/4 becomes 9/4 and 1 3/5 becomes 8/5. Find a common denominator and convert the fractions to it. For example, when adding 9/4 and 8/5, you can convert them to 45/20 and 32/20. Then you can add the numerators, giving 77/20. Finally, call the Reduce() method to reduce the result, restoring any whole number value so the fractional part of the number is less than 1. For example, 77/20 becomes 3 17/20. Include a function that returns a string that contains a Fraction in the usual display format—the whole number, a space, the numerator, a slash (D, and a denominator. When the whole number is 0, just the Fraction part of the value should be displayed (for example, 1/2 instead of 0 1/2). If the numerator is 0, just the whole number should be displayed (for example, 2 instead of 2 0/3). b. Add an operator*() method to the Fraction class created in Exercise 11a so that it correctly multiplies two Fractions. The result should be in proper, reduced format. Demonstrate that the method works correctly in a program named FractionDemo2. c. Write a program named FractionDem03 that includes an array of four Fractions. Prompt the user for values for each. Display every possible combination of addition results and every possible combination of multiplication results for each Fraction pair (that is, each type will have 16 results).
