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.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  static interface IO.Extension
- Constructor Summary
  
  Constructors
  Constructor Description
  
  IO()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static <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

Constructor Detail
- IO
```
public IO()
```

Method Detail

apply

public static <T extends IO.Extension> ActorRef apply(ExtensionId<T> key,
                                                      ActorSystem system)