ArrayList — это динамический массив, а LinkedList — двусвязный список.
🔹 Структура данных
— ArrayList хранит элементы в
— LinkedList хранит
🔹 Операции вставки и удаления
— В ArrayList вставка/удаление в середине
— В LinkedList вставка/удаление
🔹 Использование памяти
— ArrayList хранит
— LinkedList требует
BY Библиотека собеса по Java | вопросы с собеседований
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
Библиотека собеса по Java | вопросы с собеседований from sa