Programming
languages are behind every IoT (Internet of Things) enabled device and
service such as connecting a door lock to making a mug intelligent, etc.
Developers
have an extensive range of languages to select from, as coding becomes
even more important, not only to create new connected ‘things’ but also
to solve ultimate problems with those same ‘things’.
Let’s take a peek into the coding world of IoT to determine which language best answers its requirements.
C
Without
any doubt, C is one of the most essential programming languages in the
IoT ecosystem as a whole. This language is the one mainly used for most
IoT projects, particularly embedded devices, and is known almost
anywhere on the internet field.
C has been the basis or starting
point for many other coding languages over the years,, making its
knowledge a rudimentary necessity for anyone in the IoT space.
For
example, C has been used with IoT boards such as Arduino, and it is a
basic programming language everyone must know although other languages
has ranking higher than itself.
C++
C++ is an object orientated pre-processor for C and has the processing power that C does not have to run higher level languages.
The language is commonly used in projects running Linux and is also used in embedded programming.
It
adds layers of abstractions, classes and objects. By adding these and
by using Linux, C++ allows the developers extend programming code for
embedded and IoT code.
C++ has encouraged others languages including Java, Python C#, D and more.
Java
This
language is one of the programming languages renowned by experts as the
best choice for the IoT, and was also the most used one in 2015. Java
has borrowed coding techniques from other languages like C, C++, Mesa,
Eiffel and others.
For the consumer IoT, Java is accepted because
of its widespread use. However, where Java as an IoT language can
flourish even more is in the industrial side of the IoT.
For
instance, Oracle has built a platform, Oracle Java Embedded, to be
utilized in connected vehicles and help with the incredible volumes of
data mining that take place in the vehicle.
Java has built-in
capabilities that make it object-orientated and portable with the least
hardware dependency. It also includes hardware support libraries that
can access the generic code. This will allow for the Java-written code
to be able to control a device if the coder has programmed it to do so.
Javascript
Javascript
is the programming language of today’s internet web browsers and HTML.
It has taken some knowledge from other languages such as C, Python, Lua,
and more.
The main difference between Javascript and Java is the
fact that Javascript is a scripting language that shares libraries of
other languages, including Java.
Javascript helps with devices
interoperability due to its extensive use in today’s computing. Some of
the libraries that present different development tools for Javascript
Underscore.js, lodash, traverse and Async.
Python
Although
Python has been commonly used to write web applications, the language
has gained traction in the IoT coding space for programming projects
over the last few years.
While tech giants like Google, Yahoo and
NASA are using the scripting language, it has been found to be more
useful than languages like C or Java for a programming problem that
includes string manipulation and a search in dictionary by the Karlsruhe
University in Germany.
For instance, an IoT use is an IoT Python app built on a Raspberry Pi and IBM’s Bluemix platform for Home Automation System.
Python
has strength in the embedded devices space and allows the developers to
build IoT applications with comprehensible data mining results.
Which one is the best?
All
the above languages without any doubt have an influence in the IoT
space up to an extent. However, the preference of language today boils
down very much to the end-use of the application, product or service you
want to give a life to.
For instance, some would suggest C is the
one language to go for, and to some extent, they are not wrong. Most
other languages have in fact taken bits of coding from C, like Java or
Python. Nonetheless, C is great for embedded devices and a commonly used
language. However, when it comes to middleware, API development or
front end development it is not so up-to-scratch.
In that sense,
Javascript appears to be much more ready as the programming language for
the IoT, as this is the language the internet is currently speaking the
most.
The Eclipse IoT Working Group had carried out the IoT
Developer Survey 2015, in which they found out that amongst IoT
developers, the most used languages are (in descending order) Java, C,
Javascript, C++ and Python.
This is trailed by other programming languages such as Node.js, PHP, Lua, C#, Ruby, Assembler, Go and SWIFT.
Ultimately,
it all boils down to which use you want to give the technology.
Nonetheless, one thing is for sure, as the IoT is such a comprehensive
canopy that covers things from a smart lock to a driverless class, most
languages will be vital to design IoT software applications.
Developers will not miss out if they know C, and if they also add into their coding portfolio Java, Javascript, C++ and Python.