11. Which feature of java 8 enables us to create a work stealing thread pool using all available processors at its target?

1. 1. newWorkStealingPool

   
   
   

   2. workPool

   
   
   

   3. workThreadPool

   
   
   

   4. threadPool

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Executors newWorkStealingPool() method to create a work-stealing thread pool using all available processors as its target parallelism level.

---

12. What are the two types of Streams offered by java 8?

1. 1. random and synchronized

   
   
   

   2. parallel and random

   
   
   

   3. sequential and parallel

   
   
   

   4. sequential and random

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Sequential stream and parallel stream are two types of stream provided by java.

---

---

13. Which is the new method introduced in java 8 to iterate over a collection?

1. 1. StringList.forEach()

   
   
   

   2. List.for()

   
   
   

   3. foreach (String i : StringList)

   
   
   

   4. for (String i : StringList)

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Traversing through forEach method of Iterable with anonymous class.

---

14. What is the return type of lambda expression?

1. 1. void

   
   
   

   2. String

   
   
   

   3. Function

   
   
   

   4. Object

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Lambda expression enables us to pass functionality as an argument to another method, such as what action should be taken when someone clicks a button.

---

---

15. Which of the below is an incorrect annotation with respect to JUnits?

1. 1. @AfterEach

   
   
   

   2. @Test

   
   
   

   3. @BeforeClass

   
   
   

   4. @Junit

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   @Test is used to annotate method under test, @BeforeEach and @AfterEach are called before and after each method respectively. @BeforeClass and @AfterClass are called only once for each class.

---