What are Streams in Java

Streams in Java are a powerful abstraction introduced in Java 8 that allow developers to process sequences of elements (like collections) in a functional style. They enable operations like filtering, mapping, and reducing, and support lazy evaluation, making it possible to handle large datasets efficiently.

        // Example of using Java Streams to filter and print even numbers
        import java.util.Arrays;
        import java.util.List;

        public class StreamsExample {
            public static void main(String[] args) {
                List numbers = Arrays.asList(1, 2, 3, 4, 5, 6);
                numbers.stream()
                       .filter(n -> n % 2 == 0)
                       .forEach(System.out::println); // Prints: 2, 4, 6
            }
        }