'Instance variable' diaporamas de présentation

Defining Classes and Methods

Defining Classes and Methods. Chapter 4. Object-Oriented Programming. Our world consists of objects (people, trees, cars, cities, airline reservations, etc.). Objects can perform actions which effect themselves and other objects in the world.

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Chapter 8

Chapter 8. Single-Dimensional Arrays. Topics. Declaring and Instantiating Arrays Accessing Array Elements Writing Methods Aggregate Array Operations Using Arrays in Classes Searching and Sorting Arrays Using Arrays as Counters ArrayLists. Arrays.

1.11k views • 73 slides

Review for Midterm 3

Review for Midterm 3. Circle class properties. What properties does a circle have? Radius PI = 3.141592653589793234 Color (if plotting in a graphics program) ( x , y ) location These properties will become instance variables

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Unit 12 Flyweight

Unit 12 Flyweight. Summary prepared by Kirk Scott. Design Patterns in Java Chapter 13 Flyweight. Summary prepared by Kirk Scott. The book states that most typically just one object will hold a single reference to another object

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Chapter 9: Arrays

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Unit 3 Singleton

Unit 3 Singleton. Summary prepared by Kirk Scott. Design Patterns in Java Chapter 8 Singleton. Summary prepared by Kirk Scott. Pileated Woodpecker From Wikipedia, the free encyclopedia

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Chapter 4 - Finishing the Crab Game

Chapter 4 - Finishing the Crab Game. 4.1 Adding Objects Automatically. Right Click on CrabWorld and Select Open editor. Code 4.1. import greenfoot.*; // (Actor, World, Greenfoot, GreenfootImage) public class CrabWorld extends World { /**

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Fund Raiser Application Introducing Scope, Pass-by-Reference and Option Strict

15. Fund Raiser Application Introducing Scope, Pass-by-Reference and Option Strict. Outline. 15.1 Test-Driving the Fund Raiser Application 15.2 Constructing the Fund Raiser Application 15.3 Passing Arguments: Pass-by-Value vs. Pass-by-Reference 15.4 Option Strict.

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CS61A Lecture 14 Object-Oriented Programming

CS61A Lecture 14 Object-Oriented Programming. Jom Magrotker UC Berkeley EECS July 11, 2012. Computer Science in the News. http://web.mit.edu/newsoffice/2012/smile-detector-0525.html. Today. Review: Object-Oriented Programming Inheritance. Where We Were: Functional Programming.

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Object-oriented Modeling of Object Oriented Concepts

Object-oriented Modeling of Object Oriented Concepts. A Case Study in Structuring an Educational Domain ( Michela Pedroni and Bertrand Meyer ) Teaching Object-Oriented Modeling and UML to Various Audiences ( Sabine Moisan , Jean-Paul Rigault ). ABSTRACT.

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Introduction to Python LinuxWorld - New York City - January 2002

Introduction to Python LinuxWorld - New York City - January 2002. Guido van Rossum Director of PythonLabs at Zope Corporation guido@python.org guido@zope.com. Why Python?. Have your cake and eat it, too: Productivity and readable code VHLLs will gain on system languages (John Ousterhout)

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Manipulating Pictures

Manipulating Pictures. CS1316: Representing Structure and Behavior. Story. The basic structures of Java commands: Assignment and expressions Conditional: If Iteration: While, For How objects come to know new things Reviewing methods in the class picture.java Making new methods

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Introduction to methods

Chapter 5-2: Classes and Objects in Depth. Introduction to methods . What are Methods. Objects are entities of the real-world that interact with their environments by performing services on demand . Objects of the same class have: the same characteristics: store the same type of data .

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Design Patterns in Java Appendix D UML at a Glance

Design Patterns in Java Appendix D UML at a Glance. Summary prepared by Kirk Scott. UML Notation for Classes. First, a UML diagram is given Following that, the features it illustrates will be noted point by point. Draw a class by centering its name in a rectangle

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Objectives

Objectives. By the end of this lecture, students should: understand the concepts of Arrays the differences between Array types and classes understand how to pass Arrays to/from Methods understand iteration over Arrays understand typical problems with Array code

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APCS-A: Java

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Umple and Model-Oriented Programming: A Short Tutorial

Umple and Model-Oriented Programming: A Short Tutorial. Version 1, January 2011 Timothy C. Lethbridge University of Ottawa, Canada tcl@site.uottawa.ca. The philosophy of Model-Oriented Programming (MOP). 1. Modeling abstractions are embedded directly in programming languages

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Initialization

Initialization. George Blank Subba Reddy Daka. Importance of Initialization. Java classes are initialized and have predictable default values. These values are stored in memory allocated on the heap when the class is instantiated Uninitialized data is a source of bugs!.

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8/7: Ch. 7: Arrays

8/7: Ch. 7: Arrays. What is an array? Declaring & allocating arrays Program of the day. Arrays: what are they?. a series of elements; a list. grocery list could be an array: milk bread eggs frozen pizza juice apples oranges Ramen noodles. Arrays: what are the positions?.

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Variables

Variables. Six properties: name address value type lifetime scope. Binding times of properties: language specification language implementation compile run Broad classification: static dynamic. Name. Syntax of language specifies valid names. Languages used to limit length of names

318 views • 16 slides