CopyOnWriteArrayList — это
🔹 Чтение (get, contains) выполняется
🔹 Запись (add, set, remove) создает
— Отлично подходит для сценариев, где
— Не требует
— При больших объемах данных запись
— Итераторы работают с старой версией массива, поэтому
BY Библиотека собеса по Java | вопросы с собеседований
Secure video calling is in high demand. As an alternative to Zoom, many people are using end-to-end encrypted apps such as WhatsApp, FaceTime or Signal to speak to friends and family face-to-face since coronavirus lockdowns started to take place across the world. There’s another option—secure communications app Telegram just added video calling to its feature set, available on both iOS and Android. The new feature is also super secure—like Signal and WhatsApp and unlike Zoom (yet), video calls will be end-to-end encrypted.
Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.
Библиотека собеса по Java | вопросы с собеседований from pl