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This fit with the then-common usage of template technology. ColdFusion and Active Server Pages are examples of contemporary technologies that also implemented this model. The second model referred to by the document ("model 2" in the ordering) was an improved method that combined servlet technology with JSP technology. The specific difference ...
The following example is in the language Java, and shows how the contents of a tree of nodes (in this case describing the components of a car) can be printed. Instead of creating print methods for each node subclass ( Wheel , Engine , Body , and Car ), one visitor class ( CarElementPrintVisitor ) performs the required printing action.
Application virtualization is a software technology that encapsulates computer programs from the underlying operating system on which they are executed. A fully virtualized application is not installed in the traditional sense, [ 1 ] although it is still executed as if it were.
Service virtualization emulates only the behavior of the specific dependent components that developers or testers need to exercise in order to complete their end-to-end transactions. Rather than virtualizing entire systems, it virtualizes only specific slices of dependent behavior critical to the execution of development and testing tasks.
In both storage and server virtualization, the applications are unaware that the resources they are using are virtual rather than physical, so efficiency and flexibility are achieved without application changes. In the same way, memory virtualization allocates the memory of an entire networked cluster of servers among the computers in that cluster.
In object-oriented programming, a virtual base class is a nested inner class whose functions and member variables can be overridden and redefined by subclasses of an outer class. [1] Virtual classes are analogous to virtual functions. The run time type of a virtual class depends on the run time type of an object of the outer class.
Advanced diagram editing and zoom. Built-in design critics provide unobtrusive review of design and suggestions for improvements. Extensible modules interface. OCL support. Forward engineering (code generation supports C++ and C#, Java, PHP 4, PHP 5, Ruby and, with less mature modules, Ada, Delphi and SQL). Reverse engineering / JAR/class file ...
PlantUML is an open-source tool allowing users to create diagrams from a plain text language. Besides various UML diagrams, PlantUML has support for various other software development related formats (such as Archimate, Block diagram, BPMN, C4, Computer network diagram, ERD, Gantt chart, Mind map, and WBD), as well as visualisation of JSON and YAML files.