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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a lambda expression?
💡 Hint: Think about the purpose of lambda expressions.
Question 2
Easy
What is type inference?
💡 Hint: Consider how types are figured out without explicit definitions.
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 feature allows lambda expressions to not require separate method definitions?
- Type Inference
- Anonymous Inner Classes
- Conciseness
💡 Hint: Consider the implications of brevity in programming.
Question 2
True or False: Lambda expressions can be used in traditional object-oriented programming without modification.
- True
- False
💡 Hint: Think about how Java combines paradigms.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a lambda expression to concatenate two strings, and assign it to a functional interface. Demonstrate how you would use it to concatenate 'Hello' and 'World'.
💡 Hint: Think about how you would implement the lambda linking to string functionalities.
Question 2
Discuss the internals of a lambda expression and how it relates to functional interfaces. Why is using the @FunctionalInterface annotation beneficial?
💡 Hint: Consider the relationship between interfaces and classes in Java.
Challenge and get performance evaluation