'Superclass method' diaporamas de présentation

Chapter 13 Inheritance

Chapter 13 Inheritance. Chapter Goals. To learn about inheritance To understand how to inherit and override superclass methods To be able to invoke superclass constructors To learn about protected and package access control

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Chapter 13 - Inheritance

Chapter 13 - Inheritance. Goals. To learn about inheritance To understand how to inherit and override superclass methods To be able to invoke superclass constructors To learn about protected and package access control

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Chapter 27 - Java Object-Oriented Programming

Chapter 27 - Java Object-Oriented Programming. Outline 27.1 Introduction 27.2 Superclasses and Subclasses 27.3 protected Members 27.4 Relationship between Superclass Objects and Subclass Objects 27.5 Implicit Subclass-Object-to-Superclass-Object Conversion

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Given: public class Vehicle{ private String make; //car info instance data private String model; privat

Given: public class Vehicle{ private String make; //car info instance data private String model; private int year; private double mpg; public Vehicle(String mk, String mdl, int yr, double mileage){ make = mk;

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Given: public class Vehicle{ private String make; //car info instance data

Given: public class Vehicle{ private String make; //car info instance data private String model; private int year; private double mpg; public Vehicle(String mk, String mdl, int yr, double mileage){ make = mk;

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Inheritance

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Inheritance Part I

Inheritance Part I. Lecture Objectives. To learn about inheritance To understand how to inherit and override superclass methods To be able to invoke superclass constructors To learn about protected and package access control

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Class Inheritance Part I

Class Inheritance Part I. Corresponds with Liang Chapter 10. What is Inheritance?. Superclasses and subclasses The subclass inherits the members of the base class All instance member variables for the superclass will be present in an instance of the subclass

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Inheritance

Inheritance. Inheritance. One class inherits from another if it describes a specialized subset of objects Terminology: the class that inherits is called a child class or subclass the class that is inherited from is called a parent class or superclass. Characteristics of Inheritance.

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Inheriatance

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Polymorphism

Polymorphism. Signatures. In any programming language, a signature is what distinguishes one function or method from another In C, every function has to have a different name In Java, two methods have to differ in their names or in the number or types of their parameters

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Code reuse

Code reuse. Using someone else's classes Aggregation and Composition Inheritance The briefest of Unified Modeling Language (UML) Choosing between composition and inheritance "Casting" from one type to another. Packages. Package is a Java construct for sharing code

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Inheritance, part 3 Method overriding

Inheritance, part 3 Method overriding. COMP 401, Spring 2013 Lecture 10 2/12/2013. Subclassing So Far. A subclass inherits implementation details from its superclass Fields Direct access to public and protected fields No direct access to private fields Methods

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CSE115: Introduction to Computer Science I

CSE115: Introduction to Computer Science I. Dr. Carl Alphonce 219 Bell Hall Office hours: M-F 11:00-11:50 645-4739 alphonce@buffalo.edu. Exam 4. Monday (12/6) Exam 4 review Wednesday (12/8) Exam 4 Friday (12/10) Final exam review. This week. Primitives (floating point numbers)

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CSE115: Introduction to Computer Science I

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CSE115: Introduction to Computer Science I

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