Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/ref/ReferenceQueue.html below:

ReferenceQueue (Java SE 21 & JDK 21)

Type Parameters:

T - the type of the reference object

Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected.

Since:

1.2

• Constructor Summary

  Constructors

  Constructs a new reference-object queue.

• Method Summary

  Polls this queue to see if a reference object is available.

  Removes the next reference object in this queue, blocking until one becomes available.

  Removes the next reference object in this queue, blocking until either one becomes available or the given timeout period expires.

  Methods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Constructor Details
  • ReferenceQueue

    public ReferenceQueue()

    Constructs a new reference-object queue.

• Method Details
  • poll

    Polls this queue to see if a reference object is available. If one is available without further delay then it is removed from the queue and returned. Otherwise this method immediately returns null.

    Returns:

    A reference object, if one was immediately available, otherwise null

  • remove

    This method does not offer real-time guarantees: It schedules the timeout as if by invoking the Object.wait(long) method.

    Parameters:

    timeout - If positive, block for up to timeout milliseconds while waiting for a reference to be added to this queue. If zero, block indefinitely.

    Returns:

    A reference object, if one was available within the specified timeout period, otherwise null

    Throws:

    IllegalArgumentException - If the value of the timeout argument is negative

    InterruptedException - If the timeout wait is interrupted

  • remove

    Removes the next reference object in this queue, blocking until one becomes available.

    Returns:

    A reference object, blocking until one becomes available

    Throws:

    InterruptedException - If the wait is interrupted

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4