5 - Java Streams and Lambda Expressions
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Practice Questions
Test your understanding with targeted questions
What is the purpose of a Java Stream?
💡 Hint: Think about how streams work with data.
Name one intermediate operation on streams.
💡 Hint: These operations return a stream.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a Java Stream do?
💡 Hint: Think about the role of streams in Java.
True or False: Lambda expressions can have multiple abstract methods.
💡 Hint: Recall the definition of functional interfaces.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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