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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 of it as a shortcut for writing a function.
Question 2
Easy
Provide a simple example of a lambda expression.
💡 Hint: Consider what this lambda does without parameters.
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 a lambda expression?
- A named function
- An anonymous function
- A regular function
💡 Hint: Remember how it differs from regular named functions.
Question 2
True or False: A functional interface can have multiple abstract methods.
💡 Hint: Think about the definition of a functional interface.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a custom functional interface named 'StringProcessor' that processes a string and returns its length using a lambda expression.
💡 Hint: What function processes and gives an output based on a string?
Question 2
Write a program that filters out all strings starting with the letter 'A' from a list of strings using lambda expressions.
💡 Hint: Consider how you can identify and remove items based on a condition.
Challenge and get performance evaluation