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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of a Java Stream?
💡 Hint: Think about how streams work with data.
Question 2
Easy
Name one intermediate operation on streams.
💡 Hint: These operations return a stream.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a Java Stream do?
- Stores data
- Processes data
- Deletes data
💡 Hint: Think about the role of streams in Java.
Question 2
True or False: Lambda expressions can have multiple abstract methods.
- True
- False
💡 Hint: Recall the definition of functional interfaces.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Compute the average of a list of integers using Java Streams. Show how you would handle this with lambda expressions.
💡 Hint: Think about how to convert the list to a primitive stream for average calculation.
Question 2
Create a stream from a list of names and filter out names that have less than 5 characters, then sort them by length. Develop this using both streams and lambda expressions.
💡 Hint: Focus on filtering criteria and how to sort in conjunction with streams.
Challenge and get performance evaluation