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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method is used to create a stream from a list?
💡 Hint: Think about how you access methods on objects.
Question 2
Easy
What does the filter() method do?
💡 Hint: Consider what it means to filter something.
Practice 3 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which method is used to create a stream from a list?
- stream()
- createStream()
- new Stream()
💡 Hint: It's related to how you might think of accessing methods on objects.
Question 2
True or False: The map() method can change the type of the elements in a stream.
- True
- False
💡 Hint: Consider the purpose of mapping in general.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a method that takes a List of numbers and returns the average using Streams.
💡 Hint: How can you accumulate values and get an average?
Question 2
Given a string array, use streams to get distinct words and print them.
💡 Hint: Think of what operation will help eliminate duplicates.
Challenge and get performance evaluation