| Interface | Description | 
|---|---|
| ObjectStreamContext | Provides a collection of context information objects that are associated with an  ObjectOutputStreamorObjectInputStreaminstance that implements this
 interface. | 
| Class | Description | 
|---|---|
| MarshalInputStream | An extension of  ObjectInputStreamthat implements the dynamic class loading
 semantics of Java(TM) Remote Method Invocation (Java RMI) argument and result unmarshalling
 (usingRMIClassLoader). | 
| MarshalledInstance | A  MarshalledInstancecontains an object in serialized form. | 
| MarshalOutputStream | An extension of  ObjectOutputStreamthat implements the dynamic class loading
 semantics of Java(TM) Remote Method Invocation (Java RMI) argument and result marshalling (usingRMIClassLoader). | 
| OptimizedByteArrayInputStream | This class is an optimized porting of java.io.ByteArrayInputStream: a) All methods are not
 synchronized. | 
| OptimizedByteArrayOutputStream | This class is an optimized porting of java.io.ByteArrayOutputStream: a) All methods are not
 synchronized. | 
| Exception | Description | 
|---|---|
| UnsupportedConstraintException | Typically used as the nested exception of a  ConnectIOExceptionif the
 constraints for a remote call cannot be satisfied. | 
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