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