How can an experienced programmer quickly learn Java?

Question

Java

How can a programmer with experience in Python, C ++, ActionScript as quickly as possible (in a couple of evenings) learn at the basic level of Java)?
I would like to get a link to some resource or book (preferably in Russian).
Thanks in advance for your reply.

Answer 1

HERE.

Answer 2

docs.oracle.com/javase/tutorial/java
Mutually exclusive paragraphs

preferably in Russian

Answer 3

When I started writing for android, I flipped through it in a couple of evenings (you can find it both in Russian and for Java 8): https://iamgodsom.files.wordpress.com/2014/08/java...
From what I remember: it’s worth pay attention to Strings, Enum, Generics, Autoboxing, Inner/nested classes, multithreading. Maybe he missed something.