Discussion
Sample58 is run - what will be the output?
public class Sample58
{
public static void main(String[] args) throws InterruptedException
{
Thread outer = new Thread(() ->
{
Thread inner = new Thread(() -> { });
System.out.println(inner.isDaemon());
});
outer.setDaemon(true);
outer.start();
outer.join();
}
}
Answer: B
Daemon status is inherited: a new thread is a daemon exactly when the thread that created it is one. The outer thread was made a daemon before being started, so the thread it creates is a daemon too, without any call to setDaemon.
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