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Chapter 12 The java.lang Package |
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Chapter 12 The java.lang Package |
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java.lang.Runnable
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java.lang.Thread
JDK 1.0 or later
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.
public interface java.lang.Runnable {
// Methods
public abstract void run();
}
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.
Thread, ThreadGroup
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