public Executor
时间: 2023-12-06 11:13:56 浏览: 40
An Executor is an interface in Java's Concurrency API that provides a framework for executing tasks in a separate thread or a pool of threads. It defines a single method "execute" that takes a Runnable object as its parameter and schedules it for execution. This allows for the separation of task scheduling from the actual task execution, enabling more efficient use of resources and better management of concurrency.
An Executor is typically used to manage long-running or asynchronous tasks that need to be executed in the background without blocking the main thread. By providing a pool of threads, an Executor can ensure that multiple tasks can be executed simultaneously, without overloading the system with too many threads.
Java provides several implementations of the Executor interface, including ThreadPoolExecutor, ScheduledThreadPoolExecutor, and ForkJoinPool, each with its own specific use case and performance characteristics. The Executor framework is an essential building block for developing scalable and concurrent applications in Java.
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