5.3 - Creating Streams
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 Collection?
💡 Hint: Think about how we access a method on a List.
Which class has the static method stream() to convert an array?
💡 Hint: It's the same name as the method.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What method is used to create a Stream from a List?
💡 Hint: Think about methods you can call on a List.
Using Arrays.stream() can take what type of data?
💡 Hint: Recall the method usage and corresponding data types.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Write a Java method that takes in an array of integers and returns a Stream, performing an operation that squares each number.
💡 Hint: Think about using map to modify each element in the Stream.
Implement a function that uses Stream.of() to create a Stream of your favorite programming languages and returns the count of how many languages start with 'J'.
💡 Hint: Use filter() to narrow down the results for the specific condition.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.