| | Class | Description |
|---|
| | ArrayUtils |
Contains utility methods for working with Array objects. |
| | Assert |
Assertion utility class that assists in validating arguments. |
| | ClassNotFoundError |
Thrown when an application tries to retrieve a class by its name and
the corresponding class could not be found. |
| | ClassUtils |
Provides utilities for working with Class objects. |
| | DateUtils |
|
| | DictionaryUtils |
Contains utilities for working with Dictionaries. |
| | Enum |
Base class for enumerations. |
| | HashArray | |
| | IllegalArgumentError |
Thrown to indicate that a method has been passed an illegal or
inappropriate argument. |
| | IllegalStateError |
Signals that a method has been invoked at an illegal or inappropriate time. |
| | ObjectUtils |
Provides utility methods for working with Object objects. |
| | SoftReference |
Class that fakes a soft (or weak) reference to an object by internally using
a Dictionary object with weak keys to hold the object reference. |
| | StringBuffer |
|
| | StringUtils |
Methods in this class give sample code to explain their operation. |
| | XMLUtils |
Contains utilities for working with XML objects. |