in java-samples/src/main/java/com/jetbrains/debugging/AsyncSchedulerExample.java [11:25]
public static void main(String[] args) throws InterruptedException {
final var messageQueue = new MessageQueue();
new Thread(() -> {
try {
while (true) {
messageQueue.processNext();
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}).start();
messageQueue.schedule("message 1");
messageQueue.schedule("message 2");
messageQueue.schedule("message 3");
}