'Class animal' diaporamas de présentation

Polymorphism

Polymorphism. Legal assignments. Widening is legal Narrowing is illegal (unless you cast ).

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Programming in Java

Programming in Java. OOP, Object, Class ??? ?????????? tsaiwn@csie.nctu.edu.tw. Outline. OOP programming Paradigm Object, Class Encapsulation and Information Hiding Inheritance (extension) vs. Contain Object-Oriented Technology: CRC, UML, . . . The Life Cycle of an Object

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Characteristics of Animals

Characteristics of Animals. Sources: (partial list) Yahooligans, animals http://yahooligans.yahoo.com/content/animals/ Electronic Zoo http://netvet.wustl.edu/ssi.htm. Our Class Animal: Fish. Goldfish: has bones inside breathes using gills fins for swimming eyes to see

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CS 46B: Introduction to Data Structures June 2 Class Meeting

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CS/ENGRD 2110 Fall 2018

CS/ENGRD 2110 Fall 2018. Lecture 6: Consequence of type, casting; function equals http://courses.cs.cornell.edu/cs2110. Overview references in. Quick look at arrays: array Casting among classes cast, object-casting rule Operator instanceof Function getClass Function equals

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CS/ENGRD 2110 Spring 2019

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CS/ENGRD 2110 Fall 2014

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The fundamental OOP Principles

The fundamental OOP Principles. ENCAPSULATION. Technical Definition: Encapsulation is the technique of making the fields in a class private and providing access to the fields via public methods.

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ICM class 4

ICM class 4. Functions and Objects. Functions. Modularity. Functions. Modularity Reusability. Functions. Functions. ReturnType functionName (arguments){ } OutputType functionName (Input){ return output; }. Functions. int square(int number){ return number * number; }. Functions.

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CSC 142 Java

CSC 142 Java. More About Inheritance & Interfaces [Reading: chapter 13]. Overview. An assortment of topics related to inheritance Class Object toString instanceof Overloading and overriding Abstract and concrete classes Inheritance vs composition: which to use?

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Exam Objective : Demonstrate the use of polymorphism

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Inheritance

Inheritance. Fundamentals. class A. class B extends A. Inheritance. A derived class extends a base class. It inherits all of its methods (behaviors) and attributes (data) and it may have additional behaviors and attributes of its own. Derived class. Base class.

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CS100J 21 February 2005 Casting About

CS100J 21 February 2005 Casting About. Casting between classes Apparent and real classes. Operator instanceof. The class hierarchy function equals. Study Secs 4.2 and 4.3 in text. Procrastination Leave nothing for to-morrow that can be done to-day. Lincoln

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Abstract Class, Interface, Package

Abstract Class, Interface, Package. Membuat sebuah project yang mengimplementasikan interface dan abstract class, dengan rincian sbb Abstract Class Animal Interface Flyer Interface Speaker Class Dog : extends Animal and implements Speaker Class Cat : extends Animal and implements Speaker

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Introduction

Introduction. Simple Assembly Language. mov #,r put constant into variable r mov a,r copy variable a to variable r add a,b,r add variable a to variable b, store result in r add a,#,r add # to variable a, store result in r sub a,b,r subtract b from a, store result in r

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Polimorphism

Polimorphism. POLYMORPHISM. What is polymorphism ? The feature that allows an object of a certain class to be seen also as an object of another Why do we need it ? Sometimes it makes programming easier Example We are dealing with different kinds of animals in a farm

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What, if anything, is a subdivision?

What, if anything, is a subdivision?. Simon Spero University of North Carolina ses@unc.edu. O rgan music--17th century --I nterpretation (phrasing, dynamics, etc.) Jews--Intellectual life --G ermany --B erlin --Congresses. OWL. ACE. Ontology( SubClassOf( Class(:mammal)

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