object oriented concepts case study

... 50 Session Objectives ■ Discuss the following: • The Object- Oriented approach • Drawbacks of traditional programming • Object- Oriented programming ■ Discuss basic Object- Oriented concepts such as: • Objects • Classes • Properties ... 200 //to object_ data object1 .member_function1(200); //call member function to display data object1 .member_function2(); object2 .member_function1(350); object2 .member_function2(); } Object Oriented ... Session 1/ 39 of 50 Defining Objects ■ exampleclass object1 ,object2 ; defines two objects, object1 and object2 , of class exampleclass. ■ The definition actually creates objects that can be used...

Ngày tải lên: 16/03/2014, 01:20

Ngày tải lên: 07/08/2014, 14:20

Ngày tải lên: 24/07/2014, 12:20

... results of the case study are articulated as a series of key factors. Finally, the study closes with a discussion of the main conclu- sions reached. CASE STUDY The company analyzed in this study is ... & Case Study A Case Study on the Implementation of A Knowledge Management Strategy Oriented to Innovation Francisco J. Forcadell 1 * and Fa ´ tima ... essential cultural value. At Irizar, participation is the Knowledge and Process Management CASE STUDY A Knowledge Management Strategy Oriented to Innovation 169 series of essential factors in the success of the process...

Ngày tải lên: 24/01/2014, 00:20

... Friday, May 5, 2006 2:25 PM 2 BASICS OF OBJECT- ORIENTED PROGRAMMING This chapter is aimed at an audience unfamiliar with the basic concepts of object- oriented programming (OOP). The intent ... xiii Introduction xv Chapter 1: What a Tangled Web We Weave 1 Chapter 2: Basics of Object- Oriented Programming 5 Chapter 3: Object- Oriented Features New to PHP 5 11 Chapter 4: Show a Little Class 17 Chapter ... 2006 2:25 PM Object- Oriented Features New to PHP 5 15 This is perfectly acceptable behavior for primitives, but it incurs far too much overhead with objects. Making a copy of a large object by...

Ngày tải lên: 24/01/2014, 15:45

... harmonize these aims and reflect to the object. He should translate his interpretations of the object to the object language in giving a physical appearance to the object. With this language designer ... (Criteria): People set up empathy while they approach to objects. Roughly they like the object, or not, and to do this they try to find something in the object that means something to themselves. They ... form of the object, and the form of the object should fit the chosen material (two directed determination, active-passive). If more than one material is going to be used in the object, the...

Ngày tải lên: 02/07/2014, 13:08

... the concepts of object- oriented programming using a language like C++ can be an intimidating experience. The simpler object model of PHP makes it the ideal language for an introduction to object- oriented ... Data Lavin, Peter. Object- oriented PHP : concepts, techniques, and code / Peter Lavin. p. cm. Includes index. ISBN 1-59327-077-1 1. PHP (Computer program language) 2. Object- oriented programming ... advantage of advanced OO features in PHP Object- Oriented PHP will show you how to maximize PHP’s features, with much less work than you might think. With Object- Oriented PHP, you can master the basics...

Ngày tải lên: 03/07/2014, 07:20

... wants to make the switch to an OO approach, Object- Oriented PHP can ease the transition from procedural to object- oriented programming (OOP). Basic concepts are introduced using simple but useful ... presented here in tabular form. Companion Website This book has a companion website (http://objectorientedphp.com) where you can download all the code related to it. Downloads are available ... there are still web developers who question whether a scripting language really needs to be object- oriented. This chapter deals with issues related to this question. Chapter 2 This chapter introduces...

Ngày tải lên: 03/07/2014, 07:20

... Friday, May 5, 2006 2:25 PM 2 BASICS OF OBJECT- ORIENTED PROGRAMMING This chapter is aimed at an audience unfamiliar with the basic concepts of object- oriented programming (OOP). The intent ... few basic concepts of OOP as it relates to PHP, though it is sometimes useful to look at other object- oriented (OO) languages such as Java or C++. We’ll discuss three aspects of object orientation ... access modifiers, and inheritance. Classes define objects, access modifiers determine how objects can be used, and inheritance makes it easy to adapt objects for different cir- cumstances. I’ve emphasized...

Ngày tải lên: 03/07/2014, 07:20

... Object- Oriented Features New to PHP 5 15 This is perfectly acceptable behavior for primitives, but it incurs far too much overhead with objects. Making a copy of a large object by ... how objects are created and destroyed. The PHP 4 style of object creation is still supported, but you are encouraged to use the new magic method approach. PHP 5 deprecates some existing object- related ... get_class_methods functions now return a case- sensitive result (though they don’t require a case- sensitive parameter), so if you are using the returned result in a case- sensitive comparison you will...

Ngày tải lên: 03/07/2014, 07:20

... syntax for creating an object is the same, but in PHP 5, the __construct method is executed rather than a method bearing the class name. NOTE In PHP 5, you need not return the object created by the ... the variable or instance of the object, and new both allocates memory and, in association with the class name, invokes the constructor. (When creating an object under PHP 4, it is advisable ... programming assumes that other programmers may use your objects and vice versa. Bruce Eckel refers to this as client programmers using objects created by class creators. 1 Even if you are...

Ngày tải lên: 03/07/2014, 07:20

... switch($this->imageproperties[2]){ case IMAGETYPE_JPEG: $this->image = imagecreatefromJPEG($file); break; case IMAGETYPE_GIF: $this->image = imagecreatefromGIF($file); break; case IMAGETYPE_PNG: ... ways. To accept the default thumbnail size, create an object like so: $thumb = new ThumbnailImage("graphics/My_Picture.jpg"); In this case, the maximum dimension of the thumbnail will ... private $mimetype; private $imageproperties = array(); private $initialfilesize; Since, in some cases, you may want to vary the quality of the thumbnail, you create the attribute $quality. For...

Ngày tải lên: 03/07/2014, 07:20

... 2:25 PM 42 Chapter 6 case IMAGETYPE_JPEG: imagejpeg($this->image, "", $this->quality); break; case IMAGETYPE_GIF: imagegif($this->image); break; case IMAGETYPE_PNG: ... screening out illegal values. While the need to control the way in which object properties are changed is somewhat obvious, retrieving object properties through an accessor method is also superior to ... when objects are no longer used and then disposes of them, for example, when they go out of scope. However, using destructors can act as a cue that speeds up garbage collection. In the case...

Ngày tải lên: 03/07/2014, 07:20

... navigator; this will greatly improve the reusability of the class. (This isn’t directly related to object- oriented programming [OOP], but if a class’s appearance cannot blend with various different ... number of pages shown, unless that number is greater than the total number of pages, in which case, the end page is equal to the total number of pages. The getNavigator Method We’ve covered ... constructor; that’s exactly what the checkRecordOffset method does. It terminates construction of your object if it returns false. Let’s see why. private function checkRecordOffset($recordoffset, $recordsperpage){ ...

Ngày tải lên: 03/07/2014, 07:20

... all non-images, and the method naturalCaseInsensitiveOrder ignores case and orders numerically where appropriate. $di->imagesOnly(); $di->naturalCaseInsensitiveOrder(); In Chapter 6, when ... develop fairly skeletal versions of these two classes, emphasizing any unexplored areas of object- oriented programming (OOP). Nevertheless, these classes will be perfectly fit for the task ... it very clear that a result set is a dependent object. You can’t create one without first having a connection to a server. Instantiating an object of the MySQLResultSet class from within...

Ngày tải lên: 03/07/2014, 07:20

... that is an aggregate object. An aggregate object is an object that has at least one data member that is itself an object. For example, if both Player and Team are objects and Team contains ... behavior of an object when it is displayed, __clone is invoked when you copy your object using the clone operator. This operator (new to PHP 5) allows you to create a copy of an object rather ... something like Object id#3. Because objects are composite, that is, they are made up of a number of data members and methods, it is not readily apparent what the string representation of an object...

Ngày tải lên: 03/07/2014, 07:20

... MySQLException object is displayed. Any object used within a foreach loop must devise its own implementation of the iterator methods. The implementation will differ depending upon the nature of the object an ... always an object. Any Exception that occurs within the scope of the try block will look for a catch that has a matching Exception type as its argument. NOTE The identification of the object type ... implementation to behave. For example, you could make protected methods public. (This rule applies in all cases of inheritance, not just to interfaces.) Iterating Through a MySQLResultSet In Chapter 9 you...

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 03/07/2014, 07:20