From d7171b91c8952d25ada249fff0d5bbaa84cc27c3 Mon Sep 17 00:00:00 2001 From: ziameraj16 Date: Mon, 27 Dec 2021 14:46:41 +0000 Subject: Java solution for Dot Product --- challenge-145/ziameraj16/java/DotProduct.java | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 challenge-145/ziameraj16/java/DotProduct.java diff --git a/challenge-145/ziameraj16/java/DotProduct.java b/challenge-145/ziameraj16/java/DotProduct.java new file mode 100644 index 0000000000..887c6d1d54 --- /dev/null +++ b/challenge-145/ziameraj16/java/DotProduct.java @@ -0,0 +1,22 @@ +import java.util.Arrays; +import java.util.List; +import java.util.Scanner; +import java.util.stream.Collectors; + +public class DotProduct { + + public static void main(String[] args) { + Scanner scanner = new Scanner(System.in); + System.out.println("Enter first array elements as comma separated string"); + String[] arr1AsString = scanner.nextLine().split(","); + System.out.println("Enter second array elements as comma separated string"); + String[] arr2AsString = scanner.nextLine().split(","); + final List arr1 = Arrays.stream(arr1AsString).map(Integer::parseInt).collect(Collectors.toList()); + final List arr2 = Arrays.stream(arr2AsString).map(Integer::parseInt).collect(Collectors.toList()); + int sum = 0; + for (int i = 0; i < arr1.size(); i++) { + sum = sum + arr1.get(i) * arr2.get(i); + } + System.out.printf("Dot product: %s", sum); + } +} -- cgit