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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 addition to support for vectorized arithmetic and relational operations, these languages also vectorize common mathematical functions such as sine. For example, if x is an array, then y = sin (x) will result in an array y whose elements are sine of the corresponding elements of the array x. Vectorized index operations are also supported.
Array.iter (fun item-> instructions) array or List.iter (fun item-> instructions) list: F#: while condition do Tab ↹instructions — for i = first to last do Tab ↹instructions: foritem in set do Tab ↹instructions or Seq.iter (fun item-> instructions) set: Standard ML: while condition do ( instructions) — Array.app (fn item ...
Many languages (e.g. Java, Pascal and Ada) implement Booleans adhering to the concept of Boolean as a distinct logical type. Some languages, though, may implicitly convert Booleans to numeric types at times to give extended semantics to Booleans and Boolean expressions or to achieve backwards compatibility with earlier versions of the language.
Hamilton C shell (a C shell for Windows) ksh (a standard Unix shell, written by David Korn) Nushell (a cross-platform shell) PowerShell (.NET-based CLI) rc (shell for Plan 9) Rexx; sh (standard Unix shell, by Stephen R. Bourne) TACL (Tandem Advanced Command Language) Windows batch language (input for COMMAND.COM or CMD.EXE) zsh (a Unix shell)
In all versions of Python, boolean operators treat zero values or empty values such as "", 0, None, 0.0, [], and {} as false, while in general treating non-empty, non-zero values as true. The boolean values True and False were added to the language in Python 2.2.1 as constants (subclassed from 1 and 0 ) and were changed to be full blown ...
Python, from version 2.3 forward, has a bool type which is a subclass of int, the standard integer type. [10] It has two possible values: True and False , which are special versions of 1 and 0 respectively and behave as such in arithmetic contexts.
Windows, Linux, macOS: Java, Python: Swing: Open core: Full version under Apache License 2.0: Yes Yes Yes Unknown Yes Yes (full version only) Yes (full version only) Yes Yes PEP 8 and others Yes Yes Yes Yes Yes PyDev / LiClipse (plug-in for Eclipse and Aptana) Appcelerator: 7.5.0 2020-01-10 Windows, Linux, macOS, FreeBSD, JVM, Solaris: Python ...