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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a functional interface?
💡 Hint: Think of the definition provided in class.
Question 2
Easy
Provide an example of a functional interface.
💡 Hint: Recall the example discussed during the session.
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 is the defining characteristic of a functional interface?
- It can have multiple abstract methods
- It has one abstract method
- It's an interface with no methods
💡 Hint: Remember the definition discussed in class.
Question 2
True or False: You must always use the @FunctionalInterface annotation with functional interfaces.
- True
- False
💡 Hint: Think about the benefits of using it without it being strictly required.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a functional interface for a mathematical operation and implement it with a lambda expression to calculate the maximum of two numbers.
💡 Hint: Think about the conditional operations.
Question 2
Explain in your own words the advantages of using functional interfaces and lambda expressions in Java.
💡 Hint: Consider how these features simplify the code structure.
Challenge and get performance evaluation