Date: 2015nov10 Language: Java Q. Java: Best way to send a message to a thread A. Use a LinkedBlockingQueue.

import java.util.concurrent.LinkedBlockingQueue; // Declare a queue outside the thread LinkedBlockingQueue<String> queue = new LinkedBlockingQueue<String>(); // Outside the thread, post to the queue queue.add("hello"); // Inside the thread, check for messages for (;;) { // ... do things... // Check for a message String msg = queue.poll(10, TimeUnit.MILLISECONDS); // progress the message }