1.6 - Stream API and Functional Operations
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What method is used to create a stream from a list?
💡 Hint: Think about how you access methods on objects.
What does the filter() method do?
💡 Hint: Consider what it means to filter something.
3 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Which method is used to create a stream from a list?
💡 Hint: It's related to how you might think of accessing methods on objects.
True or False: The map() method can change the type of the elements in a stream.
💡 Hint: Consider the purpose of mapping in general.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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?
Given a string array, use streams to get distinct words and print them.
💡 Hint: Think of what operation will help eliminate duplicates.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.