What material should I read in order to learn C # in the shortest possible time?

Question

Java

It was necessary to get to know the sirsheret as soon as possible, while there is already knowledge of Java, maybe there is some material specifically for such cases?

Answer 1

www.25hoursaday.com/CsharpVsJava.html
information may be slightly outdated, but more...

Answer 2

I think Richter's "CLR via C#" is a better fit. Reading about the differences in syntax and features is more tedious.