Event (Java Debug Interface )
Keywords: com.sun.jdi.event.Event interface
Date: 2026-04-17

com.sun.jdi.event

## Interface Event

- All Superinterfaces:
    Mirror
  All Known Subinterfaces:
    AccessWatchpointEvent, BreakpointEvent, ClassPrepareEvent, ClassUnloadEvent, ExceptionEvent, LocatableEvent, MethodEntryEvent, MethodExitEvent, ModificationWatchpointEvent, MonitorContendedEnteredEvent, MonitorContendedEnterEvent, MonitorWaitedEvent, MonitorWaitEvent, StepEvent, ThreadDeathEvent, ThreadStartEvent, VMDeathEvent, VMDisconnectEvent, VMStartEvent, WatchpointEvent

      @Exported
      public interface Event
      extends Mirror

  An occurrence in a target VM that is of interest to a debugger. Event is the common superinterface for all events (examples include `BreakpointEvent`, `ExceptionEvent`, `ClassPrepareEvent`). When an event occurs, an instance of Event as a component of an `EventSet` is enqueued in the `VirtualMachine`'s `EventQueue`.
  Since:
    1.3
  See Also:
    `EventSet`, `EventQueue`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `EventRequest` | `request()`

    - ### Methods inherited from interface com.sun.jdi.Mirror

      `toString, virtualMachine`

- - ### Method Detail

    - #### request

          EventRequest request()

      Returns:
        The `EventRequest` that requested this event. Some events (eg. `VMDeathEvent`) may not have a cooresponding request and thus will return null.

Copyright © 1999, 2026, Oracle and/or its affiliates. All rights reserved.