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В каких состояниях может находиться поток?

Ответ: Поток в Java может находиться в одном из следующих состояний, определённых перечислением Thread.State:

▶️ NEW — поток создан, но ещё не запущен (метод start() не вызывался)

▶️ RUNNABLE — поток готов к выполнению и может быть выбран планировщиком для исполнения. Это объединяет как активные, так и ожидающие исполнения потоки

▶️ BLOCKED — поток ожидает монитора, чтобы войти в синхронизированный блок/метод, занятый другим потоком

▶️ WAITING — поток ожидает, пока другой поток не вызовет notify(), notifyAll() или join() на объекте. Примеры: Object.wait(), Thread.join()

▶️ TIMED_WAITING — как WAITING, но с таймаутом. Например, sleep(), join(timeout), wait(timeout), LockSupport.parkNanos()

▶️ TERMINATED — поток завершил выполнение либо нормально (метод run() завершён), либо из-за необработанного исключения.

Эти состояния отражают внутреннюю модель выполнения JVM и используются для анализа поведения многопоточных программ.

tags: #собеседование

📱 Java Developer | Чат

Java Developer
❔ Вопрос с собеседования

В каких состояниях может находиться поток?

Ответ: Поток в Java может находиться в одном из следующих состояний, определённых перечислением Thread.State:

▶️ NEW — поток создан, но ещё не запущен (метод start() не вызывался)

▶️ RUNNABLE — поток готов к выполнению и может быть выбран планировщиком для исполнения. Это объединяет как активные, так и ожидающие исполнения потоки

▶️ BLOCKED — поток ожидает монитора, чтобы войти в синхронизированный блок/метод, занятый другим потоком

▶️ WAITING — поток ожидает, пока другой поток не вызовет notify(), notifyAll() или join() на объекте. Примеры: Object.wait(), Thread.join()

▶️ TIMED_WAITING — как WAITING, но с таймаутом. Например, sleep(), join(timeout), wait(timeout), LockSupport.parkNanos()

▶️ TERMINATED — поток завершил выполнение либо нормально (метод run() завершён), либо из-за необработанного исключения.

Эти состояния отражают внутреннюю модель выполнения JVM и используются для анализа поведения многопоточных программ.

tags: #собеседование

📱 Java Developer | Чат
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How to Use Bitcoin?

n the U.S. people generally use Bitcoin as an alternative investment, helping diversify a portfolio apart from stocks and bonds. You can also use Bitcoin to make purchases, but the number of vendors that accept the cryptocurrency is still limited. Big companies that accept Bitcoin include Overstock, AT&T and Twitch. You may also find that some small local retailers or certain websites take Bitcoin, but you’ll have to do some digging. That said, PayPal has announced that it will enable cryptocurrency as a funding source for purchases this year, financing purchases by automatically converting crypto holdings to fiat currency for users. “They have 346 million users and they’re connected to 26 million merchants,” says Spencer Montgomery, founder of Uinta Crypto Consulting. “It’s huge.”

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