Ada is a high-level, statically typed programming language, designed to support structured, object-oriented, and concurrent programming, originally developed for the U.S. Department of Defense to enhance code portability and reuse. Its features include strong typing, modularity, and support for various programming paradigms, making it suitable for a wide range of applications from embedded systems to large-scale software development. Ada is recognized for its high performance, fast compilation, and readability, appealing to both writers and readers of code.

1. AN INTRODUCTION TO
ADA PROGRAMMING
LANGUAGE

2. ADA
 Ada is a structured, statically typed, imperative, and object-oriented high-level programming
language, extended from Pascal and other languages.
 Ada has built-in features that directly support:
o Structured programming
o Object-oriented programming
o Generic programming
o Distributed programming
o Concurrent programming

3. HISTORY
 United States Department of Defense (DoD) spent a lot of money for embedded applications,
but because of multiple PLs much of them has the portability & reuse problem
 Ada was originally designed by a team led by French computer scientist Jean Ichbiah under
contract to the United States Department of Defense (DoD) from 1977 to 1983 to supersede
over 450 programming languages used by the DoD at that time.
 Ada was named after Ada Lovelace (1815–1852), who has been credited as the first computer
programmer.

4. FEATURES
 Strongly Typed
 Packages can be defined
 Packages and types can be made generic
 Tasks can be created and communicate
 Predefined library
 Object-oriented programming is included
 Interfaces to other languages are included in this languages

5. DATA TYPE
 Ada allows us to define our own data types.
 The elementary Ada types are:
o Scalar Types (holds only a single value at a time)
o Discrete Types
o Real Types
o Fixed Point Types
o Access Types

6. GOALS OF THE ADA LANGUAGE
 Reduce development and maintenance costs
o Prevent writing bugs if possible
o Detect bugs as early as possible, preferably during compilation
o Encourage code reuse and team work
 Packages with separate interface and implementation
 Generics (e.g. templates)
o Make maintenance easier
 Legibility is paramount; language is “auto documented”
 Work well in all situations
o In the small: embedded, limited resources, real time, no operating system
o In the large: millions of lines of code, networking, GUIs, etc.

7. ADVANTAGES
1. Ada is one of the fastest programming languages. The program can work 100 times faster.
2. Ada supports code modularity better than C, C++, or Java.
3. Support of big and complicated programs.
4. Very good support of modern multicore CPUs as well as supercomputers with more than
one CPU.
5. “Powerful” modern programming language: object-oriented programming, templates,
flexible control of allocating dynamic memory, etc.
6. Fast compilation
7. Support for all kinds of devices: computers, embedded electronics, space ships, etc.
8. The language is convenient for not only to write but also to read.
9. There is a good development environment.

8. ADVANTAGES
 1. Ada is one of the fastest programming languages. The program can really work 100 times faster.
 2. Ada completely rejects “stupid” errors with confused data types.
 3. Good support for control event against less rude errors. (This provides four times less errors in Ada programs). I will tell more about this later.
 4. Modular structure of the language. Support of big and complicated programs.
 5. Very good support of modern multicore CPUs as well as supercomputers with more than one CPU.
 6. “Powerful” modern programming language: object-oriented programming, templates, flexible control of allocating dynamic memory, etc. (Don’t worry if you don’t understands the terms; this simply means that Ada is a powerful modern language.)
 7. Rather quick compilation (the programmer waits less when Ada creates an .exe file and has more free time for programming and searching for errors).
 8. Support for all kinds of devices: computers, embedded electronics, space ships, etc.
 9. The language is such that it’s convenient not only to write but also to read (if you are a programmer).
 10. There is a free but good development environment (programs for programmers).
 11. There is an international standard.
 12. Decimal fractions allow to work, for example, with financial information.

9. HISTORY
2017
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2018
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2019
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