If youre ready to leap into the world of abap objectsor are already there and just need a. Information systems used to be defined primarily by their functions. The programs in this book have been included for their instructional value. Contrary to popular belief, many core objectoriented programming concepts are based on similar principles rooted in the procedural. Local and global classes as mentioned earlier a class is an abstract description of an object. If youre ready to leap into the world of object oriented programming oop and abap objects or are already there and just need a refresherthen this is the book youve been looking for. Programming techniques may include features such as encapsulation, modularity, polymorphism, and inheritance. Sap will run applications written using abap 4, the earlier abap version, as well as applications using abap objects. Thanks to explanations of basic concepts and practical examples, youll find answers to questions you didnt even know you had. Object oriented programming oop is a programming paradigm that uses objects and their interactions to design applications and computer programs. Pdf 62 mb, epub 39 mb, and mobi file 81 mb for download, drmfree with personalized digital watermark. Objectoriented programming in abap objects amazon s3. But i want to share this with few of the developers like me many of us are programming in abap for many years, but we have focused only on conventional programming methods. Bonn boston horst keller, sascha kruger abap objects abap programming in sap netweaver.
If you have been a procedural abap programmer your whole life, it does not matter. Saps original business model for r3 was developed before the idea of an object oriented model was widespread. Object orientation in abap is an extension of the abap language that makes available the advantages of object oriented programming, such as encapsulation, interfaces, and inheritance. Strengthen your abap skills by gaining a full understanding of the use of objectoriented programming techniques, and how to apply them practically in your. The latest version, abap objects, is object oriented programming. Consistent with all books on objectoriented programming languages, the pres entation of the abap language in chapter 4 begins this time with. Objectoriented programming with abap objects james wood on. In theory, you can create any number of objects based on a single class. Strengthen your abap skills by gaining a full understanding of the use of object oriented programming techniques, and how to apply them practically in your. Each instance object of a class has a unique identity and its own set of values for its attributes. This helps to simplify applications and make them more controllable. Challenged by object oriented abap oo abap 1 for most of you this may be very basic and nonvalue addition.
821 845 1082 1508 1202 1377 1354 690 1153 1568 206 470 506 100 228 1301 1676 292 572 39 675 631 42 755 242 1020 633