BETA

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BETA is a programming language created in 1983 by Bent Bruun Kristensen and Ole Lehrmann Madsen and Birger Møller-Pedersen and Kristen Nygaard.

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BETA is a pure object-oriented language originating within the "Scandinavian School" in object-orientation where the first object-oriented language Simula was developed. Among its notable features, it introduced nested classes, and unified classes with procedures into so called patterns.. Read more on Wikipedia...

BETA website
BETA Wikipedia page
BETA first developed in Scandinavian School of object- orientation
Explore BETA snippets on Rosetta Code
BETA on HOPL
BETA appears in the TIOBE Index
See also: (2 related languages)Simula, Eiffel
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Example from hello-world:

ORIGIN '~beta/basiclib/betaenv'
-- program: Descriptor --
(* Hello World in BETA *)
(# do 'Hello World' -> putLine #)

Example from the Hello World Collection:

{ *** Hello World in BETA ***}
(#
  do
     'Hello World!'->putLine
#)

Example from Wikipedia:

max: (#
    x, y, z: @integer
enter (x, y)
do
    (if x >= y // True then
        x -> z
    else
        y -> z
    if)
exit z
#)

Feature	Supported	Token	Example
Strings	✓	'	'Hello world'
Comments	✓		// A comment
Line Comments	✓	//	// A comment
Semantic Indentation	X

Books about BETA from ISBNdb

title	authors	year	publisher
C# Programming with the Public Beta	Robinson, Simon and Templeman, Julian and Watson, Karli and Harvey, Burt	2000	Apress
Object-Oriented Programming in the Beta Programming Language	Madsen, Ole Lehrmann and Moller-Pedersen, Birger and Nygaard, Kristen	1993	Assn for Computing Machinery
JavaScript: The Definitive Guide, Beta Version (Nutshell Handbooks)	Flanagan, David	1996	O'Reilly Media
VB.NET Programming with the Public Beta	Billy Hollis and Rockford Lhotka	2001	Apress
ADO.NET and System.XML V. 2.0--The Beta Version	Homer, Alex and Sussman, Dave and Fussell, Mark	2005	Addison-Wesley Professional
Beta Cells	Sarah E. Gallagher	2011	Nova Science Pub Incorporated

BETA - Programming language

Language features

Books about BETA from ISBNdb