Java 8 Quiz Challenge 00:10:00 Welcome to your Java 8 Mastery Quiz: Test Your Knowledge! 1. What is a lambda expression in Java 8? An anonymous function A collection data structure A lightweight thread A type of variable None 2. Which interface is used to define custom functional interfaces in Java 8? @FunctionalInterface Predicate Function Consumer None 3. Which method is used to create an infinite stream in Java 8? limit() generate() filter() map() None 4. What does the map() method in the Stream API do? Reduces elements to a single value Sorts elements in natural order Filters elements based on a predicate Applies a function to each element None 5. How is a method reference represented in Java 8? :: >> => -> None 6. What does the reduce() method in Java 8 streams do? Applies a function to each element Combines elements into a single value Sorts elements in natural order Filters elements based on a predicate None 7. Which functional interface represents a supplier of results? Consumer Supplier Predicate Function None 8. Which method is used to terminate a stream and collect its elements into a collection? collect() filter() map() forEach() None 9. Which interface is a functional interface in Java 8? Serializable Runnable Callable Comparator None 10. What is the purpose of the forEach() method in Java 8 streams? To sort elements in natural order To filter elements based on a predicate To collect elements into a collection To iterate over elements in a collection None Please share your feedback in the comment box below. Congratulations on completing the Java 8 Mastery Quiz! Explore Java 8 concepts further at JavaDZone. Name Email Time's upTime is Up!
