OnJava8-Examples/lowlevel/NaiveExceptionHandling.java

// lowlevel/NaiveExceptionHandling.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// {ThrowsException}
import java.util.concurrent.*;

public class NaiveExceptionHandling {
  public static void main(String[] args) {
    ExecutorService es =
      Executors.newCachedThreadPool();
    try {
      es.execute(new ExceptionThread());
    } catch(RuntimeException ue) {
      // This statement will NOT execute!
      System.out.println("Exception was handled!");
    } finally {
      es.shutdown();
    }
  }
}
/* Output:
___[ Error Output ]___
Exception in thread "pool-1-thread-1"
java.lang.RuntimeException
        at ExceptionThread.run(ExceptionThread.java:7)
        at java.util.concurrent.ThreadPoolExecutor.runW
orker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Work
er.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
*/