Q1. Draw a class diagram representing a book defined by the following statement: "A book is composed of a number of parts, which in turn are composed of a number of chapters. Chapters are composed of sections." Focus only on classes and relationships.
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- 7. When a class contains objects of another class, the relationship is called a whole-part relationship or composition. The relationship created is also called a has-a relationship. Discuss some of the possible issues with composition, such as the long statement: Outputsales.getHighestPaidEmployee().getHireDate().getYear().Q2: Draw a simple class diagram showing only relationships between the classes.Compare and contrast a class and a struct. Describe any one principle of a class that makes it different from a struct.
- A set of classes are given below. Create a class diagram from the following classes and provide a description of your class diagram. (Hints: define relationships and cardinality) SavingAccount Account BankCustomer CurrentAccount Bank TransactionQ1. Draw a class diagram representing a book defined by the following statement: "A book is composed of a number of parts, which in turn are composed of a number of chapters. Chapters are composed of sections." Focus only on classes and relationships. Q2. Extend the class diagram of q1 to include the following attributes: a book includes a publisher, publication date, and an ISBN a part includes a title and a number a chapter includes a title, a number, and an abstract a section includes a title and a numberExercise No. 4. In a clinic patients visit and register to see a doctor for treatment. A nurse has to register patient information and checks blood pressure and temperature before referring to a doctor. A doctor checks patient and prescribes medicines that patients collects from a pharmacy. You develop a Class diagram showing different methods, attributes and relationships among classes.
- Library Information System Design and Testing Library Item Class Design and TestingDesign a class that holds the Library Item Information, with item name, author, publisher. Write appropriate accessor and mutator methods. Also, write a tester program(Console and GUI Program) that creates three instances/objects of the Library Items class. Extending Library Item Class Library and Book Classes: Extend the Library Item class in (1) with a Book class with data attributes for a book’s title, author, publisher and an additional attributes as number of pages, and a Boolean data attribute indicating whether there is both hard copy as well as eBook version of the book. Demonstrate Book Class in a Tester Program (Console and GUI Program) with an object of Book class.Create the following class diagram: The print method in: - Author prints the Authors data - Page prints page no and text - Textbook prints the subject and all pages - Novel prints the genre and all pages The toString method in: - Book returns title and authors - textbook returns subject in additions to super toString - Novel genre in additions to super toString Test your implementation create objects of different types example : - Create a book of type Novel which has many pages and several authors - Create a book of type Textbook which has many pages and several authors - Access these objects polymorphically, variable of class book contains objects of its subclasses Textbook and novel - Print a hall book - Print a single page of a book - Print the book and its authorsSelect the answer that best describes the following statements: I. An object is a template or design of a class. II. Composition is referred to as a whole-part relationship. Only statement I is true O Only statement II is true Both statements I and II are true Both statements I and II are false
- 4. Design a class named computer that holds the make, model, and amount of memory of a computer. Include methods to set the values for each data field, and include a method that displays all the values for each field. Create the class diagram and write the pseudocode that defines the class. es)2-) Write a superclass encapsulating a rectangle. A rectangle has two attributes representing the width and the height of the rectangle as a data members. It has methods returning the perimeter(P=2*(L+W)) and the area of the rectangle(A=L*W). This class has a subclass encapsulating a parallelepiped, or box. A parallelepiped has a rectangle as its base, and another attribute named depth. The derived class Box should have a constructor, a volume() function and an override function named area () that returns the surface area of the box. Include the classes constructed in a working C++ program. Have your program call all the member functions in each class and verify the results manually.Create a class diagram and write the pseudocode that defines the class.