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