Hardcore Java - download pdf or read online


By Robert Simmons

Java has speedy turn into the most very important languages in programming, really for pro and enterprise-level tasks. From its infancy as a language basically used for internet applets to its adulthood via servlets, firm JavaBeans, and database entry, Java has turn into a posh and strong device for modern day developer.Hardcore Java takes this language and breaks it aside, piece by means of piece, revealing the $64000 secrets and techniques and methods that would take you from a junior-level programmer to a professional and specialist developer. you are going to fly throughout the basics and fast end up studying approximately complex reminiscence administration options, optimization and bytecode-level improvements, and the innovations required to construct lightning-fast GUIs. through the booklet, you will additionally grasp the paintings of writing and preserving bulletproof and error-proof code, all whereas greedy the intricacies of the Java language.Hardcore Java covers:

  • Use of the ultimate key-phrase to optimize and shield your Java classes.
  • Complete and thorough assurance of every kind of nested sessions, together with tips on how to optimize nameless and internal classes.
  • Detailed dialogue of immutable gadgets, together with particular tips about whilst to take advantage of them (and while now not to).
  • Elimination of insects via exception-handling management.
  • In-depth experiences of constants, together with their influence at the Java reminiscence model.
  • The such a lot thorough dialogue of mirrored image in print, relocating some distance past different books' "Hello global" coverage.
  • Construction and use of dynamic proxies, in either Java commonplace and firm editions.
  • Expansive assurance of vulnerable references, together with utilization styles and their position in rubbish assortment and reminiscence management.

Hardcore Java is a useful addition to each programmer's library, or even the main complex builders will locate themselves relocating past their very own conceptions into really complicated functions of the language. millions of traces of code, seriously commented and simply runnable, illustrate every one thought within the book.

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4 The inventory management system constructs an XML document containing the quantity information. 5 The servlet in the inventory management system returns the XML document to the caller in the same way it would return HTML to a browser. 6 The purchasing application receives the XML document, parses it, and continues processing using the inventory information received. In this example, the XML format used must have the same design as XML used with messaging technologies. CORBA allows external calls to applications written on any platform that supports CORBA.

For example, consider the following use case: Click to Buy This Book 33 34 Chapter 4: Designing External Application Interfaces The inventory system will notify the accounting system about all inventory receipts. ▲ Notification will occur immediately after the receipt is recorded. ▲ Notification will include the vendor ID and timestamp for each receipt as well as the UPC and quantity for each item in the shipment. ▲ Confirmation of the notification is required from the accounting system. Formally define and document the external interfaces so that developers from both applications have a basis for object-modeling activities (described in chapter 6).

Record people assigned to project tasks and estimate the time needed to complete each task. ▲ Record the order in which tasks will be completed. ▲ Record project progress and mark tasks as completed. ▲ Automatically schedule the project. ▲ Create reports of project progress. As vague and simplistic as the statement is, it provides a starting point for identifying actors and constructing use cases. Identifying the Actors The first step in use-case analysis is to identify the actors. An actor is the user type or external system serviced or affected by the use case.

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Hardcore Java by Robert Simmons

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