php object oriented programming interview questions answers

... in PHP4 and PHP5 Objects in PHP5 differ a lot from objects in PHP4 . OOP became matured enough in true sense from PHP5 . OOP was introduced since PHP3 but that was just an illusion for real object ... illusion for real object oriented programming. In PHP4 you can create objects but you can't feel the real avour of an object there. In PHP4 it was almost a poor object model. One of the ... destructor in PHP4 objects. Whenever an object is copied, it is a shallow copy of that object. But in PHP5 shallow copy is possible only using the clone keyword. There is no exception object in PHP4 ....

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

... (e) 73. ans: (b) 16. ans: (e) reason: The _fastcall keyword is reserved for programming under Windows and OS/2. 17. ans: (a) reason: The strcmp returns 0 if zone==target,...

Ngày tải lên: 07/02/2013, 09:37

Ngày tải lên: 22/08/2013, 14:52

... Support Object- Oriented Concepts? Okay, how does C# implement object- oriented programming? In a sense, this is the wrong question. C# is an object- oriented language; however, it doesn’t implement object- oriented ... asking so many stupid questions? ” 215 Chapter 10: Object- Oriented Programming — What’s It All About? 17_597043 ch10.qxd 9/20/05 2:04 PM Page 215 220 Part IV: Object- Oriented Programming 17_597043 ... nachos ᮣ Reviewing the basics of object- oriented programming ᮣ Getting a handle on abstraction and classification ᮣ Understanding why object- oriented programming is important T his chapter answers the musical...

Ngày tải lên: 04/10/2013, 21:20

... ■ OBJECT- ORIENTED PROGRAMMING 89 7575Ch05.qxp 4/27/07 1:02 PM Page 89 Object- Oriented Programming O bject -oriented programming is the third major programming paradigm. At its heart, object- oriented ... (except from System .Object) . Object Expressions Object expressions are at the heart of succinct object- oriented programming in F#. They pro- vide a concise syntax to create an object that inherits ... System.Windows.Forms CHAPTER 5 ■ OBJECT- ORIENTED PROGRAMMING 86 7575Ch05.qxp 4/27/07 1:02 PM Page 86 printfn "myObject.state = %i, myObject.otherState = %i" myOtherObject.state myOtherObject.otherState T he...

Ngày tải lên: 05/10/2013, 10:20

... Module 7: Essentials of Object- Oriented Programming Object- Oriented Programming Object- oriented programming arose to alleviate these problems. Object- oriented programming, if understood ... Essentials of Object- Oriented Programming What Is an Object?  An object is an instance of a class  Objects exhibit:  Identity: Objects are distinguishable from one another  Behavior: Objects ... procedural programming and towards object- oriented programming is to combine the data and the functions into a single entity. 10 Module 7: Essentials of Object- Oriented Programming    Using...

Ngày tải lên: 10/12/2013, 16:16

Ngày tải lên: 12/12/2013, 21:16

... way PHP 6 handles objects is identi- cal to PHP 5. OOP since PHP 5 PHP s handling of objects was completely rewritten in PHP 5 to improve performance and conform to standards common to other object- oriented ... code: $objectB = $objectA; In PHP 3 and 4, this makes a copy of $objectA and stores it as $objectB. Both objects then act independently of each other; changes made to $objectA don’t affect $objectB, ... evolved in PHP As I said before, PHP is not an object- oriented language. In fact, support for OOP wasn’t added until PHP 3. Unfortunately, the way OOP was originally incorporated into PHP lacked...

Ngày tải lên: 12/12/2013, 22:15

... instantiate a validator object, and pass it the $required array $val = new Pos_Validator($required); WHY OBJECT- ORIENTED PHP? 7 1 10115ch01.qxd 7/10/08 1:12 PM Page 7 PHP Object- Oriented Solutions David ... estimated that more than half of all PHP- driven websites still run on PHP 4, all support for PHP 4 officially ended on August 8, 2008. PHP 4 is dead. Long live PHP 5 (and PHP 6 when it’s released). If ... start: PHP (PHP Hypertext Preprocessor) is not an o bject -oriented language, but it does have extensive object- oriented features. These u nderwent comprehensive revision and enhancement when PHP...

Ngày tải lên: 12/12/2013, 22:15

... to switch the way you think about programming to use the object- oriented programming paradigm. What Is an Object- Oriented System? Just what is an object- oriented system? What makes an OO system ... witnessed over the years, object- oriented programming has seemed to me the most significant in terms of how much easier it makes the programming task. Object- oriented programming in Java or C++ ... This book is mostly about object- oriented programming. Primarily, that means it will focus on general principals of object- oriented programming that apply to any programming language. But this...

Ngày tải lên: 20/12/2013, 21:16

Ngày tải lên: 21/12/2013, 20:15