С помощю какой язык программырование создали Sololearn?

Question

Sololearn прекрасная программа. Я бы хотел создать такую программу самому. Или похожую. Какую языку мне придется учить чтобы сделат такие программы? Ну в С++ это все как то сложно.
In English(short): Which programm do you prefer to create programms as SoloLearn?
Sorry for mistakes.

Answer 1

There is no best programming language. For web development, learn HTML, CSS, JavaScript and PHP in that order. For desktop apps, learn C/C++ or Python. There are many other programming languages, it's up to you and your needs.
EDIT:
Python can also be used in web development.

Answer 2

Yes I understand.Do you know in which programming language SoloLearn was created? May I create apps with C++?

Answer 3

Desktop apps ? Yes, but for mobile apps Java is much better.

Answer 4

Ok. But I see some projects created by 2-3 languages. How does it do ?

Answer 5

For example SoloLearn. I think this program is created by 2 or 3 programming languages

Answer 6

Or it seems to me. I don't know.

Answer 7

Probably Java or C/C++.

Answer 8

Я точно не знаю но вроде все программы на андроид пишутся на Java

Answer 9

Да так и ест

Answer 10

Короче я узнал что можно писать приложения на андроид с помощью пайтон с помощью библиотеки kivi. Значит возможно и на других языках можно.