public class UncaughtExceptionHandlerTest {

static volatile boolean b = false;

public static void main(String[] args) throws Throwable {

Thread t = new Thread(new Runnable() {

@Override

public void run() {

// Harder for checked exceptions because `run` does not throw any exception: TODO

// http://stackoverflow.com/questions/1369204/how-to-throw-a-checked-exception-from-a-java-thread

throw new RuntimeException();

}

});

// Once you set this, the stack trace won't

// show anymore from the main thread.

t.setUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {

@Override

public void uncaughtException(Thread th, Throwable ex) {

b = true;

// This still happens in the thread that threw,

// so the exception won't blow up outside.

//throw new RuntimeException(ex);

}

});

t.start();

t.join();

assert b;

}

}