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Chapter 10 The java.lang Package |
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Runnable
Name
RunnableSynopsis
- Interface Name:
-
java.lang.Runnable
- Super-interface:
-
None
- Immediate Sub-interfaces:
-
None
- Implemented By:
-
java.lang.Thread
- Availability:
-
JDK 1.0 or later
Description
The Runnable interface declares the run() method that is required for use with the Thread class. Any class that implements the Runnable interface must define a run() method. This method is the top-level code that is run by a thread.
Interface Declaration
public interface java.lang.Runnable {
// Methods
public abstract void run();
}
Methods
run
public abstract void run()
- Description
-
When a Thread object starts running a thread, it associates executable code with the thread by calling a Runnable object's run() method. The subsequent behavior of the thread is controlled by the run() method. Thus, a class that wants to perform certain operations in a separate thread should implement the Runnable interface and define an appropriate run() method. When the run() method called by a Thread object returns or throws an exception, the thread dies.
See Also
Thread; ThreadGroup; Threads 8
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