| AccessWatchpointRequest | Request for notification when the contents of a field are accessed in the target VM. | code | html |
| BreakpointRequest | Identifies a Location in the target VM at which execution should be stopped. | code | html |
| ClassPrepareRequest | Request for notification when a class is prepared in the target VM. | code | html |
| ClassUnloadRequest | Request for notification when a class is unloaded in the target VM. | code | html |
| EventRequest | Represents a request for notification of an event. | code | html |
| EventRequestManager | Manages the creation and deletion of EventRequest s. | code | html |
| ExceptionRequest | Request for notification when an exception occurs in the target VM. | code | html |
| MethodEntryRequest | Request for notification when a method is invoked in the target VM. | code | html |
| MethodExitRequest | Request for notification when a method returns in the target VM. | code | html |
| ModificationWatchpointRequest | Request for notification when a field is set. | code | html |
| MonitorContendedEnterRequest | Request for notification of a thread in the target VM attempting to enter a monitor already acquired by another thread. | code | html |
| MonitorContendedEnteredRequest | Request for notification of a thread in the target VM entering a monitor after waiting for it to be released by another thread. | code | html |
| MonitorWaitRequest | Request for notification when a thread in the target VM is about to wait on a monitor object. | code | html |
| MonitorWaitedRequest | Request for notification when a thread in the target VM has finished waiting on a monitor object. | code | html |
| StepRequest | Request for notification when a step occurs in the target VM. | code | html |
| ThreadDeathRequest | Request for notification when a thread terminates in the target VM. | code | html |
| ThreadStartRequest | Request for notification when a thread starts execution in the target VM. | code | html |
| UserDefinedRequest | Copyright (c) 2000, 2003 IBM Corporation and others. | code | html |
| VMDeathRequest | Request for notification when the target VM terminates. | code | html |
| WatchpointRequest | Identifies a Field in the target VM being watched. | code | html |
| DuplicateRequestException | Thrown to indicate a duplicate event request. | code | html |
| InvalidRequestStateException | Thrown to indicate that the requested event cannot be modified because it is enabled. | code | html |
Methods may be added to the interfaces in the JDI packages in future releases. Existing packages may be renamed if the JDI becomes a standard extension.