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In Java associative arrays are implemented as "maps", which are part of the Java collections framework. Since J2SE 5.0 and the introduction of generics into Java, collections can have a type specified; for example, an associative array that maps strings to strings might be specified as follows:
In computer programming, lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed.
When a class constructor does not explicitly call the constructor of one of its object-valued fields in its initializer list, the default constructor for the field's class is called. In the standard library, certain containers "fill in" values using the default constructor when the value is not given explicitly.
In object-oriented computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior.The null object design pattern, which describes the uses of such objects and their behavior (or lack thereof), was first published as "Void Value" [1] and later in the Pattern Languages of Program Design book series as "Null Object".
The syntax of ParaSail is similar to Modula, but with a class-and-interface-based object-oriented programming model more similar to Java or C#.. More recently, the parallel constructs of ParaSail have been adapted to other syntaxes, to produce Java-like, Python-like, and Ada-like parallel languages, dubbed, respectively, Javallel, Parython, and Sparkel (named after the Ada subset SPARK on ...
In the three weeks between the Michigan loss and Ohio State’s College Football Playoff opener against Tennessee, Day says he met with his team to emphasize the opportunity the Buckeyes still had ...
It provides a means to associate metadata with a class where the language does not have explicit support for such metadata. To use this pattern, a class implements a marker interface [ 1 ] (also called tagging interface ) which is an empty interface, [ 2 ] and methods that interact with instances of that class test for the existence of the ...
Image:BlankMap-World.png – World map, Robinson projection centered on the meridian circa 11°15' to east from the Greenwich Prime Meridian. Microstates and island nations are generally represented by single or few pixels approximate to the capital; all territories indicated in the UN listing of territories and regions are exhibited.