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For function that manipulate strings, modern object-oriented languages, like C# and Java have immutable strings and return a copy (in newly allocated dynamic memory), while others, like C manipulate the original string unless the programmer copies data to a new string. See for example Concatenation below. The most basic example of a string ...
List comprehension is a syntactic construct available in some programming languages for creating a list based on existing lists. It follows the form of the mathematical set-builder notation (set comprehension) as distinct from the use of map and filter functions.
Such classes can be referenced by using fully qualified names, or by importing only selected classes with different names. To do this, Java allows importing a single class (e.g., import java.util.List). C# allows importing classes under a new local name using the following syntax: using Console = System. Console.
In some of these languages, this syntax is a here document or "heredoc": A token representing the string is put in the middle of a line of code, but the code continues after the starting token and the string's content doesn't appear until the next line. In other languages, the string's content starts immediately after the starting token and the ...
Java: Application, business, client-side, general, mobile development, server-side, web Yes Yes Yes Yes Yes Yes Concurrent De facto standard via Java Language Specification JavaScript: Client-side, server-side, web Yes Yes Yes Yes No Yes prototype-based: Yes 1997-2022, ECMA-262: Joy: Research No No Yes No No No Stack-oriented No jq "awk for ...
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: Map < String , String > phoneBook = new HashMap < String , String > (); phoneBook . put ( "Sally Smart" , "555-9999" ); phoneBook . put ( "John Doe ...
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Cω – C Omega, a research language extending C#, uses asynchronous communication; Clojure – a dialect of Lisp for the Java virtual machine; Chapel; Co-array Fortran; Concurrent Pascal (by Brinch-Hansen) Curry; E – uses promises, ensures deadlocks cannot occur; Eiffel (through the SCOOP mechanism, Simple Concurrent Object-Oriented Computation)