Example: Sum of Array Elements using Java 8 Stream API (sum()) in Java

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// Sum of Array Elements using Java 8 Stream API (sum())
import java.util.Arrays; // Required for Arrays.stream()

// Main class containing the entry point of the program
public class Main {
    public static void main(String[] args) {
        // Step 1: Define the array of integers
        int[] numbers = {10, 20, 30, 40, 50};

        // Step 2: Convert the array to an IntStream and calculate the sum
        // Arrays.stream(int[]) creates an IntStream
        // sum() is a terminal operation that calculates the sum of elements
        int sum = Arrays.stream(numbers).sum();

        // Step 3: Print the calculated sum
        System.out.println("Sum of array elements (Stream API sum()): " + sum);
    }
}