[B]Author/s:[/B] Kathy Sierra, Bert Bates [B]Publisher:[/B] O’Reilly and Associates, Inc. [B]Category:[/B] [url=http://www.j. [0%/1] Some people get certified just to look good to the pointy-haired boss but you’re not that type. You want to pass the Sun Certified Business Component. Trove: Find and get Australian resources. Books, images, historic newspapers, maps, archives and more.
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Kathy SierraBert Bates. As the industry standard for platform-independent reusable business components, EJB has just become Sun Microsystem’s latest developer certification.
Head First EJB – O’Reilly Media
Whether you want to be certifiable or just want to learn the technology inside and out, Head First EJB will get you there in the least painful way.
And with the greatest understanding. You’ll learn how to think like a server. You’ll learn how to think like a bean. And because this is a Head First book, you’ll learn how to think about thinking. She has the scars. But besides dragging you deep into EJB technology, Kathy and Bert will see you through your certification exam, if you sierrra to go for it.
And nobody knows the certification like they do – they’re co-developers of Sun’s actual exam!
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If the latest research in cognitive science, education, and neurobiology suggested that boring, dry, and excruciatingly painful was the best way to learn, we’d have done it. Thankfully, it’s been shown that your brain has a sense of style, a sense of humour, and a darn good sense of what it likes and dislikes. See why Kathy and Bert are responsible for thousands of successful exam-passers- “The Sun certification exam was certainly no walk in the park, but Kathy’s material allowed me to not only pass the exam, but Ace it!
Paul Companies “Kathy Sierra and Bert Bates are two of the few people in the world who can make ejg things seem damn simple, and as if that isn’t enough, they can make boring things seem interesting. Kathy Sierra has done it again. Here is a study guide that almost guarantees you a certification! Chapter 1 Intro to EJB: What does EJB really give me? No more vendor lock-in!
How does it all work? Beans come in three flavors Session beans can be stateless or stateful Example: The Advice Guy bean Five things you do to build a bean: Run your bean eb the deploytool verifier Close your eyes and click OK Whew! Organizing your project directory for the client Coffee Cram: Mock Exam Coffee Cram: EJB Architecture You remember this picture What about arguments and return values?
What really gets passed when you pass sierrra object to a remote method? Passing a Remote object through a remote method call What must the Remote object and the stub have in common? In other words, who makes the EJBObject class?
Head First EJB
The bean Sierrx Architectural overview: Session beans Architectural overview: Entity beans Architectural overview: Creating a Stateful Session bean Architectural overview: Creating a Stateless Session bean Who creates the stateless session bean, and when? Stateless session beans are more scalable Architectural overview: Message-driven beans Chapter 3 The Client View: Exposing Yourself What the client really wants It all starts with the home interface Sidrra a client uses a session bean: You have to narrow the object as well!
Imagine what else you might want to do with your EJB object reference Why so many remove methods? Exceptions in client interfaces: Arguments to Remote vs.
Head first EJB / Kathy Sierra, Bert Bates – Details – Trove
Being a Session Bean Sietra the session bean lifecycle You remember how it all works, right? Bean things you can do within business methods Passivation: Your job for passivation: Bean things you can do in ejbActivate and ejbPassivate Bean Removal: Entity bean Remote home interface When finders have a dark side Home business methods to the rescue Session bean create vs. Entity beans have new home container callbacks, too Writing a CMP entity bean: Virtual fields are NOT instance variables!
Bean things you can do during entity construction: Bean things you can do in home business methods Bean things you can do during kkathy and loading Bean things you can do during passivation and storing Coffee Cram: Relationships and multiplicity Multiplicity in Bean Classes Multiplicity affects return type! Getting the Message Imagine this scenario When beans go bad What can go wrong? In EJB, exceptions come in two flavors: With a System Exception, the Container will RemoteException is checked, but not expected!
Scenario Summary Coffee Cram: What can you do? Security context propagation with Coffee Cram: What MUST be in an ejb-jar? Structure of an ejb-jar Programming restrictions Coffee Cram: Mock Exam Answers Appendix A: Master Mock Exam Coffee Cram: Agenda Seminars Collegereeks Masterclasses Sprekers.
Actueel Opinie Interviews Recensies. Engelstalig Paperback, blz. Rubricering Hoofdrubriek Computer en informatica. Over dit boek Inhoudsopgave Bestelopties Auteurs. Verwachte levertijd ongeveer 8 werkdagen Gratis verzending! Kathu boeken door Kathy Sierra. Andere boeken door Bert Bates.
Aanbevolen bij dit boek BiSL – Een framework voor business informatie.
Een voor allen, allen voor een. Python Pocket Reference Engels.
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