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