Practice Lambda Expressions In Multithreading (22.9) - Lambda Expressions and Functional Interfaces

Practice: Lambda Expressions in Multithreading

Lesson 22.9Lambda Expressions and Functional Interfaces

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a lambda expression?
Show hintHide hint
Think about how we can use it in a sentence.
Question 2.
Provide a basic syntax for creating a thread using lambda expressions.
Show hintHide hint
Look at how we define the behavior inside `Thread`.
3Question 3.
What is the syntax to create a new thread using a lambda expression?
- new Thread(() -> { // code }).start();
- new Thread({ () -> code }).start();
- Thread.start(() -> code);
Show hintHide hint
Recall the structure discussed in class.
4Question 4.
True or False: Lambda expressions increase the amount of boilerplate code needed for threading.
- True
- False
Show hintHide hint
Consider how we used to write threading code.
Question 5.
Create a program using lambda expressions to create multiple threads that print integers 1 to 5 in separate threads.
Show hintHide hint
Consider how each thread captures the value of 'i'.
Question 6.
Discuss the potential pitfalls of using lambda expressions in a multithreading context, especially related to variable scope and exceptions.
Show hintHide hint
Recall the rule about variable finality and count how exceptions are handled in multithreading.

4 more questions in this section. Enroll free to practise them all.