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C# 6.0 and above have ?., the null-conditional member access operator (which is also called the Elvis operator by Microsoft and is not to be confused with the general usage of the term Elvis operator, whose equivalent in C# is ??, the null coalescing operator) and ?[], the null-conditional element access operator, which performs a null-safe call of an indexer get accessor.
The destructor is called when the object is being collected by the garbage collector to perform some manual clean-up. There is a default destructor method called finalize that can be overridden by declaring one. The syntax is similar to the one of constructors. The difference is that the name is preceded by a ~ and it cannot contain any parameters.
Four years later, in 2004, a free and open-source project called Mono began, providing a cross-platform compiler and runtime environment for the C# programming language. A decade later, Microsoft released Visual Studio Code (code editor), Roslyn (compiler), and the unified .NET platform (software framework), all of which support C# and are free ...
JavaScript Synthesis Technology (JST): Morfik's compiler technology [16] that compiles code written in dialects of high-level languages such as Pascal, Basic, Java or C# into HTML and JavaScript, for the purpose of running applications written in those languages natively within a Web Browser. This automatically generated JavaScript can be ...
The Count operator counts the number of elements in the given collection. An overload taking a predicate, counts the number of elements matching the predicate. The standard query operator API also specifies certain operators that convert a collection into another type: [3] AsEnumerable: Statically types the collection as an IEnumerable<T>. [4]
In object-oriented programming, classes can contain attributes and methods. An attribute in a relational database can be represented as a column or field. In computing , an attribute is a specification that defines a property of an object , element, or file.
In VB.NET, the C# variant of "typeof" should be translated into the VB.NET's GetType method. The TypeOf keyword in VB.NET is used to compare an object reference variable to a data type. The following example uses TypeOf...Is expressions to test the type compatibility of two object reference variables with various data types.
In C#, class methods, indexers, properties and events can all be overridden. Non-virtual or static methods cannot be overridden. The overridden base method must be virtual, abstract, or override. In addition to the modifiers that are used for method overriding, C# allows the hiding of an inherited property or method.