| Name | Description | Type | Package | Framework |
| CompletableToListenableFutureAdapter | Adapts a CompletableFuture into a ListenableFuture. | Class | org.springframework.util.concurrent | Spring MVC |
| ConcurrentReferenceHashMap | A ConcurrentHashMap that uses soft orweak references for both keys and values. | Class | org.springframework.util | Spring MVC |
| ConcurrentReferenceHashMap .Entry | Class | org.springframework.util.ConcurrentReferenceHashMap | Spring MVC | |
| ConcurrentReferenceHashMap .Reference | A reference to an ConcurrentReferenceHashMap. | Interface | org.springframework.util.ConcurrentReferenceHashMap | Spring MVC |
| ConcurrentReferenceHashMap .ReferenceType | Various reference types supported by this map. | Class | org.springframework.util.ConcurrentReferenceHashMap | Spring MVC |
| ConcurrentReferenceHashMap .Restructure | The types of restructuring that can be performed. | Class | org.springframework.util.ConcurrentReferenceHashMap | Spring MVC |
| FailureCallback | Defines the contract for failure callbacks that accept the result of aSince:4. | Interface | org.springframework.util.concurrent | Spring MVC |
| FutureAdapter | Abstract class that adapts a Future parameterized over S into a Future parameterized over T. | Class | org.springframework.util.concurrent | Spring MVC |
| ListenableFuture | callbacks. | Interface | org.springframework.util.concurrent | Spring MVC |
| ListenableFutureAdapter | Abstract class that adapts a ListenableFuture parameterized over S into aListenableFuture parameterized over T. | Class | org.springframework.util.concurrent | Spring MVC |
| ListenableFutureCallback | Defines the contract for callbacks that accept the result of aSince:4. | Interface | org.springframework.util.concurrent | Spring MVC |
| ListenableFutureCallbackRegistry | Registry for ListenableFutureCallback instances. | Class | org.springframework.util.concurrent | Spring MVC |
| ListenableFutureTask | Extension of FutureTask that implements ListenableFuture. | Class | org.springframework.util.concurrent | Spring MVC |
| SettableListenableFuture | whose value can be set via set(Object) orsetException(Throwable). | Class | org.springframework.util.concurrent | Spring MVC |
| SuccessCallback | Defines the contract for success callbacks that accept the result of aSince:4. | Interface | org.springframework.util.concurrent | Spring MVC |