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Used in the declaration of a method or code block to acquire the mutex lock for an object while the current thread executes the code. [8] For static methods, the object locked is the class's Class . Guarantees that at most one thread at a time operating on the same object executes that code.
For example, you might do this if you wanted to search for occurrences of the word "Fish" across Wikipedia, rather than be taken straight to the article Fish. The search page also allows you to select which namespaces to search in. You can choose a preset option (Default, Discussion, General Help, or All) or add/remove namespaces individually.
A Wikipedia namespace is a set of Wikipedia pages whose names begin with a particular reserved word recognized by the MediaWiki software (followed by a colon). For example, in the user namespace all titles begin with the prefix User:. In the case of the article (or main) namespace, in which encyclopedia articles appear, the reserved word and ...
In Java, the idea of a namespace is embodied in Java packages. All code belongs to a package, although that package need not be explicitly named. Code from other packages is accessed by prefixing the package name before the appropriate identifier, for example class String in package java.lang can be referred to as java.lang.String (this is ...
Template talk:Java; Java (programming language) Java annotation; Java API for XML Processing; Java class loader; Java collections framework; Java Modeling Language; Java Pathfinder; Java remote method invocation; Java syntax; Jakarta Transactions; Java version history; Template:Java/doc; JavaBeans; JavaFX; JFace; JGroups; Joins (concurrency ...
Some discussions are in the Wikipedia: namespace, which can be included by also selecting "General help" (which also adds help pages) or by selecting "Wikipedia" under "Add namespaces…". "General Help": Search the Help: namespace and Wikipedia: namespace (also called project namespace). The latter contains various types of pages including ...
class name« : base class» {«default member values assignments» «members» } namespace name; Java class name« extends parentclass»« implements interfaces» { members} interface name« extends parentinterfaces» {members } package name; members: PHP namespace name; members: Objective-C
In Java, the signature of a method or a class contains its name and the types of its method arguments and return value, where applicable. The format of signatures is documented, as the language, compiler, and .class file format were all designed together (and had object-orientation and universal interoperability in mind from the start).