OCP Oracle Certified Professional Java SE 17 Developer Practice Tests

Chapter 8Managing Concurrent Code Execution

THE OCP EXAM TOPICS COVERED IN THIS PRACTICE TEST INCLUDE THE FOLLOWING:

• Managing concurrent code execution
  • Create worker threads using Runnable and Callable, manage the thread lifecycle, including automations provided by different Executor services and concurrent API
  • Develop thread-safe code, using different locking mechanisms and concurrent API
  • Process Java collections concurrently including the use of parallel streams

1. How many times does the following code print How rude! at runtime?

   public class Speaking {
      void talk() {
         try {
            Thread.sleep(10_000);
         } catch (InterruptedException e) {
            System.out.println("How rude!");
         } }
      public static void main(String[] args) {
    var s = new ...