Matched the term or definition with the correct term: Sub Inherits specific members of another class Child 1. Abstraction 2. Base Parent 3. Derived Super 4. Inheritance A class from which another class inherits 5. Interface specific members Object-oriented principle of a class deriving properties from a previously defined class 1000 >

Matched the term or definition with the correct term: Sub Inherits specific members of another class Child 1. Abstraction 2. Base Parent 3. Derived Super 4. Inheritance A class from which another class inherits 5. Interface specific members Object-oriented principle of a class deriving properties from a previously defined class 1000 >

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Problem You want to inspect or rewrite portions of a class definition to alter its behavior, but without using inheritance or metaclasses.
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The module view of inheritance refers to: Dynamic binding Every operation applicable to the instances of a superclass is also applicable to the instances of its subclasses. A subclass describes an extension of the parent module O A subclass describes a subtype of the parent type Which statement about encapsulation is incorrect. Encapsulation provides a way to cope with change Encapsulation conceptualizes a problem at a higher level of abstraction Encapsulation facilitates software maintenance O Encapsulation conceptualizes a problem at a lower level with specific data structures O O
A variable having the same name as a variable that has been declared in a superclass and a subclass is considered the same variable.
C++ Programming. Construct parent class with the specified in individualtask (Table 1) fields and methods: - constructor;- a function that determines the "quality" of the object - Q for a givenformula(Table 1, column 1);- displaying information about the object.Construct a child class that contains:- additional field P;- a function that determines the "quality" of a child object class - Qp, which overrides the quality function of the parent class, performing the calculation according to the new formula (Table 1, column 2).Create a project to demonstrate work: input and output of information aboutclass objects (parent and child).
Object Oriented Analysis Systems Creating a complete class diagram for the "Housekeeper service system" if given you an overview of the classes, attributes, and associations you would need: 1. *User* - Attributes: name, password, mobile phone, email - Methods: updatePassword(), updateMobilePhone() 2. *System Administrator* - Inherits from User - Attributes: level Of Access - Methods: registerWorker(), registerCustomer(), updateServices(), addOffers() 3. *Worker* - Attributes: age, nationality, specialty, evaluation degree - Methods: displayAssignedVisits(), submitLeaveOfAbsence() 4. *Customer* - Inherits from User - Attributes: nationality ID, addresses - Methods: selectServices(), chooseVisitTime(), confirmServiceInformation(), makePayment(), getTransactionInformation() 5. *Address* - Attributes: street name, building number, zip code, city - Methods: addAddress(), deleteAddress(), updateAddress(), setDefaultAddress() 6. *Payment* - Attributes: transaction…
QUESTION 5 All methods in an abstract class must also be declared abstract. True False QUESTION 6 All fields declared in an interface are treated as final and static have protected access must be initialized in the class implementing the interface have private access
Classes in the same inheritance hierarchy typically belong in the same package. Select one: True False
True or false?(a) Every object is an instance of the object class.(b) If a class does not extend a superclass explicitly, it extends object by default.
Describe the class design guidelines.
Inheritance is an OOP concept such that a class can be defined in different ways, such as either being typecasted to itself (as a subclass) or any of its superclasses. True False