IO$

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

```
public class IO$
extends java.lang.Object
```
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.

- 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)
  - 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)