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In Perl, foreach (which is equivalent to the shorter for) can be used to traverse elements of a list. The expression which denotes the collection to loop over is evaluated in list-context and each item of the resulting list is, in turn, aliased to the loop variable. List literal example:
A class or abstract class may implement one or more interfaces. An interface can only extend other interfaces. An abstract class may have non-public methods and properties (also abstract ones). An interface can only have public members. An abstract class may have constants, static methods and static members. An interface cannot.
A class library; The .NET Standard is a set of common APIs that are implemented in the Base Class Library of any .NET implementation. The class library of each implementation must implement the .NET Standard, but may also implement additional APIs. Traditionally, .NET apps targeted a certain version of a .NET implementation, e.g. .NET Framework ...
C# (/ ˌ s iː ˈ ʃ ɑːr p / see SHARP) [b] is a general-purpose high-level programming language supporting multiple paradigms.C# encompasses static typing, [16]: 4 strong typing, lexically scoped, imperative, declarative, functional, generic, [16]: 22 object-oriented (class-based), and component-oriented programming disciplines.
PowerShell 7.5, is the latest stable release & was released in January 2025, is built on .NET 9.0.1 and includes enhancements in performance, usability, and security. Key updates include improvements to tab completion, such as better type inference and new argument completers, as well as fixes for Invoke-WebRequest and Invoke-RestMethod.
These language extensions have initially been implemented in C# 3.0, [5]: 75 VB 9.0, F# [6] and Oxygene, with other languages like Nemerle having announced preliminary support. The language extensions include: [7] Query syntax: A language is free to choose a query syntax that it will recognize natively.
Additionally, in C# if a block consists of only a single statement, the braces may be omitted. C# is case sensitive while Visual Basic .NET is not. Thus in C# it is possible to have two variables with the same apparent name, for example variable1 and Variable1. Visual Studio will correct (make uniform) the case of variables as they are typed in ...
An update to fix the dark color theme was released on May 12, 2017. On August 14, 2017, Visual Studio 2017 15.3 was released and added support for targeting .NET Core 2.0. An update (15.3.1) was released four days later to address a Git vulnerability with submodules (CVE 2017-1000117). On October 10, 2017, Visual Studio 15.4 was released. [213]