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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the syntax of a lambda expression?
💡 Hint: Remember, it starts with parameters followed by '->'.
Question 2
Easy
What is a functional interface?
💡 Hint: Think about common interfaces like Runnable.
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 do lambda expressions primarily allow in Java?
- Object-oriented programming
- Functional programming
- Procedural programming
💡 Hint: Consider the purpose of lambda expressions.
Question 2
True or False: A functional interface can have multiple abstract methods.
- True
- False
💡 Hint: Think about what defines a functional interface.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement a lambda expression that checks if a string is a palindrome.
💡 Hint: Consider how to compare the string to its reverse.
Question 2
Create a lambda expression that calculates the factorial of a number using recursion.
💡 Hint: Think about how recursion works in programming.
Challenge and get performance evaluation