Java

Download Beginning EJB 3, 2nd Edition: Java EE 7 Edition by Jonathan Wetherbee, Chirag Rathod, Raghu Kodali, Peter PDF

By Jonathan Wetherbee, Chirag Rathod, Raghu Kodali, Peter Zadrozny

Improve strong, standards-based, back-end company good judgment with starting EJB three, Java EE 7 version. Led through an writer staff with two decades of mixed company JavaBeans event, you are going to the way to use the recent EJB 3.2 APIs. you will achieve the data and abilities you will want to create the complicated company purposes that run contemporary transactions and extra. precise at Java and Java EE builders, with and with no previous EJB event, starting EJB three is full of sensible insights, procedure information, and code examples. As each one bankruptcy unfolds, you are going to not just discover a brand new sector of the spec; you will additionally see how one can use it on your personal functions via particular examples.

Show description

Read Online or Download Beginning EJB 3, 2nd Edition: Java EE 7 Edition PDF

Similar java books

Ground-Up Java

This is often the 1st potent Java booklet for actual newcomers. certain, books prior to now considering simple options and key concepts, and a few even supplied operating examples on CD. nonetheless, they lacked the facility to remodel anyone with out programming adventure into somebody who sees, who rather "gets it. operating with Ground-Up Java, you are likely to get it.

Building Applications with IBM WebSphere Studio and JavaBeans: A Guided Tour (IBM Illustrated Guide series)

This advisor to constructing purposes utilizing the WebSphere Studio visible Editor for Java and JavaBeans teaches programmers to construct purposes extra successfully. They research fundamentals corresponding to constructing Java applets and purposes, in addition to extra complex issues, similar to utilizing relational databases and XML files to shop software info.

Core J2ME Technology

With Nokia by myself saying deployment of a hundred and fifty million telephones operating Sun's J2ME and cellular info equipment Profile (MIDP), developer curiosity in those applied sciences is gigantic. Now, there is an authoritative, example-rich technical source that would let each Java developer to construct powerful purposes for any J2ME cellular equipment -- speedy.

Java Performance Tuning (2nd Edition)

Functionality has been an enormous factor for Java builders ever because the first model hit the streets. through the years, Java functionality has stronger dramatically, yet tuning is key to get the simplest effects, particularly for J2EE purposes. you could by no means have code that runs too quickly. Java Peformance Tuning, 2d version offers a accomplished and critical consultant to doing away with all kinds of functionality difficulties.

Additional info for Beginning EJB 3, 2nd Edition: Java EE 7 Edition

Sample text

WRITE), is applied to all business methods. Bean-Managed Concurrency In the case of bean-managed concurrency, the container allows full concurrent access to the singleton session bean instance and the bean developer must provide protection to the bean’s internal state against synchronization errors that result from concurrent access. You can use synchronization primitives like synchronized and volatile for this purpose. Error Handling Errors can occur during initialization of a singleton session bean.

For a singleton session bean, an @Lock annotation at the class level specifies that all business methods will use the specified lock type unless a different type is explicitly set at the method level. WRITE), is applied to all business methods. Bean-Managed Concurrency In the case of bean-managed concurrency, the container allows full concurrent access to the singleton session bean instance and the bean developer must provide protection to the bean’s internal state against synchronization errors that result from concurrent access.

Close(); } } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } @Override public String getServletInfo() { return "Short description"; } } Listing 2-26 shows the ShopperCountClient servlet, which looks up the singleton ShopperCount session bean, calls the resetCounter() business method to reset the shopper count, calls the incrementShopperCount() business method to increment the shopper count, and finally prints the total number of shoppers counted.

Download PDF sample

Rated 4.95 of 5 – based on 12 votes