4. All except C#. Having two C# you can implement everything!
But Yes, except the firmware.
Rossie.OHara answered on March 23rd 20 at 19:43
Everything except the drivers and firmware.
Paxton_Altenwerth answered on March 23rd 20 at 19:45
Everything. In addition to low-level and iron.
Moreover, a lot of ready-made solutions and lessons.
cora_Botsfo answered on March 23rd 20 at 19:47
3) mostly now and usednow because it is used for desktop formolast, but the web has supplanted desktop.
Recently successfully became cross-platform, and now the frontend , you can write
kelly_Hessel answered on March 23rd 20 at 19:49
1 and 2, it is better not to consider, there are libraries but they are not very, 3 Yes, he already 4 years and it's backend, but he basically gave the desktop is used if the start and at the stage of selection for ml take Python, for the rest of the Java