By Cay S. Horstmann, Gary Cornell
Absolutely up to date to mirror Java SE 7 language alterations, middle Java®, quantity II—Advanced gains, 9th variation, is the definitive advisor to Java’s strongest good points for firm and computing device program development.
Designed for severe programmers, this trustworthy, impartial, no-nonsense instructional illuminates complicated Java language and library good points with completely demonstrated code examples. As in earlier variations, all code is simple to appreciate and screens smooth best-practice suggestions to the realworld demanding situations confronted by way of specialist developers.
Volume II fast brings you up-to-speed on key Java SE 7 improvements, starting from the hot dossier I/O API to superior concurrency utilities. All code examples are up-to-date to mirror those improvements. entire descriptions of latest language and platform gains are highlighted and built-in with insightful causes of complex Java programming suggestions. You’ll examine all you must construct powerful construction software program with
• Streams, documents, and standard expressions
• Database programming amenities
• JNDI/LDAP listing integration
• complex Swing ideas
• JavaBeans parts
• net prone
• complex platform security measures
• disbursed items
• local tools, and more
For exact insurance of basic Java SE 7 positive aspects, together with items, sessions, inheritance, interfaces, mirrored image, occasions, exceptions, pictures, Swing, generics, collections, concurrency, and debugging, search for Core Java™, quantity I—Fundamentals, 9th variation
Read or Download Core Java, Volume 2: Advanced Features (9th Edition) PDF
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Additional resources for Core Java, Volume 2: Advanced Features (9th Edition)
For enterprise beans that have been assembled into an application, the deployment descriptor also captures the application assembly information. 1 Local and Remote Client Views Both session and entity beans can implement local and remote client views. The choice of whether to implement an enterprise bean with a local or a remote client view depends on a number of considerations, most of which apply to both session and entity beans. However, when developing entity beans, you should also consider persistence and relationship handling.
1 illustrates how the six roles defined by the EJB architecture may interact when developing and deploying an EJB application in a typical enterprise environment. 1. EJB Roles in an Enterprise Environment 53 54 Usually, at least several distinct parties are responsible for these six roles, and these roles or the functional areas they represent are interdependent. Therefore, the EJB architecture specifies a contract, or set of requirements, for each role. These requirements ensure that the product of one EJB role is compatible with the product of the other EJB roles.
The state is inaccessible to other programs. Choosing Entity Beans or Stateful Session Beans The architect of the application chooses how to map the business entities and processes to enterprise beans. No prescriptive rules dictate whether to use a stateful session bean or an entity bean for a component: Different designers may map business entities and processes to enterprise beans differently. You can also combine the use of session beans and entity beans to accomplish a business task. For example, you may have a session bean represent an ATM withdrawal that invokes an entity bean to represent the account.
Core Java, Volume 2: Advanced Features (9th Edition) by Cay S. Horstmann, Gary Cornell