● Interfaces: private methods(since Java9)
● Project Jigsaw and module system(since Java9)
●
jshell
(since Java9)
●
var
(since Java10)
● Running java file without compiling
● HttpClient
● String extension: isBlank/lines/strip and etc(since Java10)
● Garbage Collectors: what is default and what are available
● New String features in Java 9 (Uladzimir K).
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