By David Flanagan, Benjamin J. Evans

The newest variation 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 new builders. Chock jam-packed with examples that display how you can take whole benefit of smooth Java APIs and improvement most sensible practices, the 1st part of this completely up-to-date booklet offers a fast moving, no-fluff creation to the Java programming language and the center runtime elements of the Java platform.

The moment part is a connection with center thoughts and APIs that indicates you the way to accomplish genuine programming paintings within the Java environment.

-Get up to the mark 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 modern I/O APIs, together with asynchronous channels
-Use Nashorn to execute JavaScript at the Java digital Machine
-Become accustomed to improvement instruments in OpenJDK

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Extra resources for Java in a Nutshell (6th Edition)

Sample text

Do not use it in your own code, and in par‐ ticular never give an identifier the same name as a keyword but differently cased. Java ignores spaces, tabs, newlines, and other whitespace, except when it appears within quoted characters and string literals. Programmers typically use whitespace to format and indent their code for easy readability, and you will see common indentation conventions in the code examples of this book. Comments Comments are natural-language text intended for human readers of a program.

Autounboxing (see “Boxing and Unboxing Conversions” on page 87) means that the wrapper classes (such as Character, Integer, and Double) for these types can be used in this context as well. Integer A byte, short, int, long, or char value (long values are not allowed for the array access operator [ ]). With autounboxing, Byte, Short, Integer, Long, and Character values are also allowed. Reference An object or array. 34 | Chapter 2: Java Syntax from the Ground Up Variable A variable or anything else, such as an array element, to which a value can be assigned.

The language designers have taken the view that extreme caution is required when evolving the language. Having said that, the new language features present in Java 8 are a significant step towards addressing the most common complaints about missing features, and should cover many of the idioms that developers have been asking for. Performance Problems The Java platform is still sometimes criticized as being slow—but of all the criti‐ cisms that are leveled at the platform, this is probably the one that is least justified.

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