February 2013
Intermediate to advanced
672 pages
16h 2m
English
book
The Java® Language Specification, Java SE 7 Edition, Fourth Edition
by James Gosling, Bill Joy, Guy Steele, Gilad Bracha, Alex Buckley
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7.4. Package Declarations
A package declaration appears within a compilation unit to indicate the package to which the compilation unit belongs.
7.4.1. Named Packages
A package declaration in a compilation unit specifies the name (§6.2) of the package to which the compilation unit belongs.
PackageDeclaration: Annotationsopt package PackageName ;
The package name mentioned in a package declaration must be the fully qualified name (§6.7) of the package.
The PackageName in a package declaration ensures there is an observable package with the supplied canonical name, and that it is not subject to the rules in §6.5.3 for determining the meaning of a package name.
The scope and shadowing of a package declaration is specified in §6.3 and §6.4.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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