20.19

java.lang.Runnable

THE PACKAGE JAVA.LANG

20.19 The Interface

java.lang.Runnable

The

Runnable

 interface should be implemented by any class whose instances are

intended to be executed by a new thread. All that is required of such a class is that

it implement a method of no arguments called

run

.

public interface Runnable {

public abstract void run();

}

20.19.1

public abstract void run()

The general contract of the method

run

 is that it may take any action whatsoever.

If an object implementing interface

Runnable

 is used to create a thread

( 20.20), then starting the thread will (normally) lead to the invocation of the

object's

run

 method in that separately executing thread.

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