| Package | Description | 
|---|---|
| java.util | Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array). | 
| javax.management | Provides the core classes for the Java Management Extensions. | 
| javax.management.relation | Provides the definition of the Relation Service. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractSequentialList<E>This class provides a skeletal implementation of the List
 interface to minimize the effort required to implement this interface
 backed by a "sequential access" data store (such as a linked list). | 
| class  | ArrayList<E>Resizable-array implementation of the List interface. | 
| class  | LinkedList<E>Doubly-linked list implementation of the  ListandDequeinterfaces. | 
| class  | Stack<E>The  Stackclass represents a last-in-first-out
 (LIFO) stack of objects. | 
| class  | Vector<E>The  Vectorclass implements a growable array of
 objects. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AttributeListRepresents a list of values for attributes of an MBean. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RoleListA RoleList represents a list of roles (Role objects). | 
| class  | RoleUnresolvedListA RoleUnresolvedList represents a list of RoleUnresolved objects,
 representing roles not retrieved from a relation due to a problem
 encountered when trying to access (read or write) the roles. | 
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