1z0-830: Java SE 21 Developer Professional System.out.println Practice Questions

Given: java public class Versailles { int mirrorsCount; int gardensHectares; void Versailles() { // n1 this.mirrorsCount = 17; this.gardensHectares = 800; System.out.println("Hall of Mirrors has " + mirrorsCount + " mirrors."); System.out.println("The gardens cover " + gardensHectares + " hectares."); } public static void main(String[] args) { var castle = new Versailles(); // n2 } } What is printed?

• AA. nginxHall of Mirrors has 17 mirror
• BB. The gardens cover 800 hectares.
• CC. Nothing
• DD. An exception is thrown at runtime.
• EE. Compilation fails at line n1.
• FF. Compilation fails at line n2.

Given: java Runnable task1 = () -> System.out.println("Executing Task-1"); Callable<String> task2 = () -> { System.out.println("Executing Task-2"); return "Task-2 Finish."; }; ExecutorService execService = Executors.newCachedThreadPool(); // INSERT CODE HERE execService.awaitTermination(3, TimeUnit.SECONDS); execService.shutdownNow(); Which of the following statements, inserted in the code above, printsboth: "Executing Task-2" and "Executing Task-1"?

Select 2 answers.

• AA. execService.call(task1);
• BB. execService.call(task2);
• CC. execService.execute(task1);
• DD. execService.execute(task2);
• EE. execService.run(task1);
• FF. execService.run(task2);
• GG. execService.submit(task1);
• HH. execService.submit(task2);