| Package | Description | 
|---|---|
| java.lang | Provides classes that are fundamental to the design of the Java
 programming language. | 
| java.util.concurrent | Utility classes commonly useful in concurrent programming. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ThreadGroupA thread group represents a set of threads. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Thread.UncaughtExceptionHandler | Thread. getDefaultUncaughtExceptionHandler()Returns the default handler invoked when a thread abruptly terminates
 due to an uncaught exception. | 
| Thread.UncaughtExceptionHandler | Thread. getUncaughtExceptionHandler()Returns the handler invoked when this thread abruptly terminates
 due to an uncaught exception. | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | Thread. setDefaultUncaughtExceptionHandler(Thread.UncaughtExceptionHandler eh)Set the default handler invoked when a thread abruptly terminates
 due to an uncaught exception, and no other handler has been defined
 for that thread. | 
| void | Thread. setUncaughtExceptionHandler(Thread.UncaughtExceptionHandler eh)Set the handler invoked when this thread abruptly terminates
 due to an uncaught exception. | 
| Modifier and Type | Method and Description | 
|---|---|
| Thread.UncaughtExceptionHandler | ForkJoinPool. getUncaughtExceptionHandler()Returns the handler for internal worker threads that terminate
 due to unrecoverable errors encountered while executing tasks. | 
| Constructor and Description | 
|---|
| ForkJoinPool(int parallelism,
            ForkJoinPool.ForkJoinWorkerThreadFactory factory,
            Thread.UncaughtExceptionHandler handler,
            boolean asyncMode)Creates a  ForkJoinPoolwith the given parameters. | 
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