Ada is a structured, statically typed, imperative, and object-oriented high-level programming language, inspired by Pascal and other languages. It has built-in language support for design by contract (DbC), extremely strong typing, explicit concurrency, tasks, synchronous message passing, protected objects, and non-determinism. Ada improves code safety and maintainability by using the compiler to find errors in favor of runtime errors. Ada is an international technical standard, jointly defined by the International Organization for Standardization (ISO), and the International Electrotechnical Commission (IEC). As of May 2023, the standard, ISO/IEC 8652:2023, is called Ada 2022 informally. Wikipedia
Created Year: 1980Designed by: Jean Ichbiah • S. Tucker Taft
Developed by: Jean Ichbiah • S. Tucker Taft
Named after: Ada Lovelace
Aliases: MIL-STD-1815, ISO/IEC 8652
Wikidata: Q154755
Influenced: Austral • C++ • Chapel • Concurrent C • Eiffel • Erlang • Java • Nim • ParaSail • PL/pgSQL • PL/SQL • Raku • Ruby • Seed7 • XL
Influenced by: Ada 95 • C++ • Eiffel • Green • Java • Modula-2 • Pascal • Smalltalk
Programming paradigms: imperative programming • multi-paradigm programming • object-oriented programming • structured programming
Language types: imperative programming language • multi-paradigm programming language • object-based language • wide-spectrum language
Ada Influence Network
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Hello World in Ada
with Ada.Text_IO;
procedure Hello_World is
use Ada.Text_IO;
begin
Put_line ("Hello World");
end Hello_World;
Free Ada books, articles, documentation
- A Guide to Ada for C and C++ Programmers (PDF)
- Ada Distilled (PDF)
- Ada for the C++ or Java Developer - Quentin Ochem (PDF) (CC BY-NC-SA)
- Ada Programming - Wikibooks
- Ada Reference Manual - ISO/IEC 8652:2012(E) Language and Standard Libraries (PDF)
- Introduction To Ada
- Introduction To SPARK
- The Big Online Book of Linux Ada Programming
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Latest data update: 2025-06-21