## Uses of Interface
java.util.concurrent.ExecutorService

- Packages that use ExecutorService
  Package | Description
  --- | ---
  java.util.concurrent | Utility classes commonly useful in concurrent programming.

- - ### Uses of ExecutorService in java.util.concurrent

    Subinterfaces of ExecutorService in java.util.concurrent
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `ScheduledExecutorService` An `ExecutorService` that can schedule commands to run after a given delay, or to execute periodically.

    Classes in java.util.concurrent that implement ExecutorService
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AbstractExecutorService` Provides default implementations of `ExecutorService` execution methods.
    `class` | `ForkJoinPool` An `ExecutorService` for running `ForkJoinTask`s.
    `class` | `ScheduledThreadPoolExecutor` A `ThreadPoolExecutor` that can additionally schedule commands to run after a given delay, or to execute periodically.
    `class` | `ThreadPoolExecutor` An `ExecutorService` that executes each submitted task using one of possibly several pooled threads, normally configured using `Executors` factory methods.

    Methods in java.util.concurrent that return ExecutorService
    Modifier and Type | Method and Description
    --- | ---
    `static ExecutorService` | Executors.`newCachedThreadPool()` Creates a thread pool that creates new threads as needed, but will reuse previously constructed threads when they are available.
    `static ExecutorService` | Executors.`newCachedThreadPool(ThreadFactory threadFactory)` Creates a thread pool that creates new threads as needed, but will reuse previously constructed threads when they are available, and uses the provided ThreadFactory to create new threads when needed.
    `static ExecutorService` | Executors.`newFixedThreadPool(int nThreads)` Creates a thread pool that reuses a fixed number of threads operating off a shared unbounded queue.
    `static ExecutorService` | Executors.`newFixedThreadPool(int nThreads, ThreadFactory threadFactory)` Creates a thread pool that reuses a fixed number of threads operating off a shared unbounded queue, using the provided ThreadFactory to create new threads when needed.
    `static ExecutorService` | Executors.`newSingleThreadExecutor()` Creates an Executor that uses a single worker thread operating off an unbounded queue.
    `static ExecutorService` | Executors.`newSingleThreadExecutor(ThreadFactory threadFactory)` Creates an Executor that uses a single worker thread operating off an unbounded queue, and uses the provided ThreadFactory to create a new thread when needed.
    `static ExecutorService` | Executors.`unconfigurableExecutorService(ExecutorService executor)` Returns an object that delegates all defined `ExecutorService` methods to the given executor, but not any other methods that might otherwise be accessible using casts.

    Methods in java.util.concurrent with parameters of type ExecutorService
    Modifier and Type | Method and Description
    --- | ---
    `static ExecutorService` | Executors.`unconfigurableExecutorService(ExecutorService executor)` Returns an object that delegates all defined `ExecutorService` methods to the given executor, but not any other methods that might otherwise be accessible using casts.

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