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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a Predicate in Java?
💡 Hint: Think about functions that return true or false.
Question 2
Easy
Provide an example of a Consumer.
💡 Hint: What does a Consumer do with its input?
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 does a Predicate do?
- Returns any value
- Filters values
- Evaluates to a boolean
💡 Hint: What type of values does a Predicate give?
Question 2
True or False: A Supplier takes an input parameter.
- True
- False
💡 Hint: Consider the definition of a Supplier.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Predicate that evaluates if an input string starts with 'A'.
💡 Hint: Think about string methods that act on the starting character.
Question 2
Implement a Function that takes a list of integers and returns a list of their squares.
💡 Hint: Use stream operations to transform the list.
Challenge and get performance evaluation