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