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## Package org.picocontainer

This package contains the core API for PicoContainer, a compact container for working with the dependency injection pattern.

See:
Description

Interface Summary
Behavior<T> | Behaviors modify the components created by a Injector with additional behaviors
BehaviorFactory | Extends ComponentFactory to provide factory methods for Behaviors
ComponentAdapter<T> | A component adapter is responsible for providing a specific component instance of type <T>.
ComponentFactory | A component factory is responsible for creating `ComponentAdapter` component adapters.
ComponentLifecycle<T> |
ComponentMonitor | A component monitor is responsible for monitoring the component instantiation and method invocation.
ComponentMonitorStrategy | Interface responsible for changing monitoring strategy.
Disposable | An interface which is implemented by components that need to dispose of resources during the shutdown of that component.
InjectionFactory |
Injector<T> | Implementors are responsible for instantiating and injecting dependancies into Constructors, Methods and Fields.
LifecycleStrategy | An interface which specifies the lifecycle strategy on the component instance.
MutablePicoContainer | This is the core interface used for registration of components with a container.
NameBinding |
ObjectReference<T> | A way to refer to objects that are stored in "awkward" places (for example inside a `HttpSession` or `ThreadLocal`).
Parameter | This class provides control over the arguments that will be passed to a constructor.
PicoContainer | This is the core interface for PicoContainer.
PicoVisitor | Interface realizing a visitor pattern for `PicoContainer` as described in the GoF.
Startable | An interface which is implemented by components that can be started and stopped.

Class Summary
BindKey<T> |
Characteristics | Collection of immutable properties, holding behaviour characteristics.
Characteristics.ImmutableProperties | Read only property set.
ComponentAdapter.NOTHING |
DefaultPicoContainer | The Standard `PicoContainer`/`MutablePicoContainer` implementation.
PicoBuilder | Helps assembles the myriad items available to a picocontainer.

Exception Summary
PicoClassNotFoundException |
PicoCompositionException | Subclass of `PicoException` that is thrown when there is: - a problem initializing the container - a cyclic dependency between components occurs.
PicoException | Superclass for all Exceptions in PicoContainer.
PicoLifecycleException |
PicoVerificationException | Subclass of `PicoException` that is thrown when a `PicoContainer` hierarchy cannot be verified.

## Package org.picocontainer Description

This package contains the core API for PicoContainer, a compact container for working with the dependency injection pattern.

When you use PicoContainer for dependency injection, you create a new instance of `MutablePicoContainer`, register classes (and possibly `ComponentAdapter`s and component instances created through other means).

Object instances can then be accessed through the `PicoContainer` interface. The container will create all instances for you automatically, resolving their dependencies and order of instantiation. The default container implementation is the `DefaultPicoContainer` class.

An extensive user guide, a list of Frequently Asked Questions (FAQ) with answers and a lot more information is available from the PicoContainer website. You can also find various extensions, wrappers and utility libraries that are based on this core API there.

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