IO$

java.lang.Object
- akka.io.IO$

```
public class IO$
extends java.lang.Object
```
Entry point to Akka’s IO layer.

See Also:

the Akka online documentation

Field Summary

Fields
Modifier and Type Field Description

static IO$ MODULE$
Static reference to the singleton instance of this Scala object.

Constructor Summary

Constructors
Constructor Description

IO$()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<T extends IO.Extension> ActorRef`	`apply(ExtensionId<T> key, ActorSystem system)`	Scala API: obtain a reference to the manager actor for the given IO extension, for example `Tcp` or `Udp`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MODULE$
```
public static final IO$ MODULE$
```
    Static reference to the singleton instance of this Scala object.
- Constructor Detail
  - IO$
```
public IO$()
```
- Method Detail
  - apply
```
public <T extends IO.Extension> ActorRef apply(ExtensionId<T> key,
                                               ActorSystem system)
```
    Scala API: obtain a reference to the manager actor for the given IO extension, for example Tcp or Udp.
    For the Java API please refer to the individual extensions directly.