By David Flanagan, Benjamin J. Evans
The newest version of Java in a Nutshell is designed to aid skilled Java programmers get the main out of Java 7 and eight, yet it’s additionally a studying course for brand spanking new builders. Chock filled with examples that show the right way to take whole good thing about sleek Java APIs and improvement most sensible practices, the 1st component of this completely up to date ebook offers a fast moving, no-fluff creation to the Java programming language and the center runtime points of the Java platform.
The moment part is a connection with center suggestions and APIs that exhibits you the way to accomplish genuine programming paintings within the Java environment.
Get on top of things on language information, together with Java eight changes
Learn object-oriented programming, utilizing uncomplicated Java syntax
Explore generics, enumerations, annotations, and lambda expressions
Understand simple thoughts utilized in object-oriented design
Examine concurrency and reminiscence, and the way they’re intertwined
Work with Java collections and deal with universal info formats
Delve into Java’s most up-to-date I/O APIs, together with asynchronous channels
Become acquainted with improvement instruments in OpenJDK
Read Online or Download Java in a Nutshell (6th Edition) PDF
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Extra info for Java in a Nutshell (6th Edition)
But in the cloud, as the number of requests increases, the number of machines running your application can also increase, so no matter what your request rate, you always have the capacity to handle them. A good persistent storage mechanism means you don’t need to worry about how many machines are running your program. Whether it’s one, ten, or one thousand machines makes no difference. In my project at work, my code runs on a network of thousands of machines every night. In that kind of environment, sharing data using global variables is obviously Report erratum Download from Wow!
I'm writing about the chat application. 1: A mockup of the chat interface For now, we’ll ignore the user interface and focus our attention on the back end. ) For now, we’re just going to write a basic back end for a traditional local chat application, with the calls to hook a user interface onto it. We’re not going to implement the entire thing in this chapter. Instead, our goal for most of this book will be to get to the point where we can do everything that’s in this code. A basic chat application is not very complicated.
In addition to the basic resource information, there’s a set of administration links on the left side of the control panel main view, which allows you to pick various aspects of the system to use to look at in greater detail. One example of the useful data provided by the detailed links is information from your application’s logs. Every request that is received by the Google App Engine server generates a data record describing the request. In addition, errors are logged here. When your application throws exceptions, they aren’t shown to users.