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diff --git a/AlgoDesignAndTechniqueEdxJava/sources/MaxDotProd.java b/AlgoDesignAndTechniqueEdxJava/sources/MaxDotProd.java
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+++ b/AlgoDesignAndTechniqueEdxJava/sources/MaxDotProd.java
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+import java.util.Arrays;
+import java.util.Scanner;
+
+public class MaxDotProd {
+
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ int n = scanner.nextInt();
+ int[] a = new int[n];
+ for (int i = 0; i < n; i++) {
+ a[i] = scanner.nextInt();
+ }
+ int[] b = new int[n];
+ for (int i = 0; i < n; i++) {
+ b[i] = scanner.nextInt();
+ }
+ System.out.println(getMaxDotProduct(a, b));
+ }
+
+ public static long getMaxDotProduct(int[] a, int[] b) {
+ Arrays.sort(a);
+ Arrays.sort(b);
+ long result = 0;
+ for (int i = 0; i < b.length; i++) {
+ result = (long) a[i] * b[i] + result;
+ }
+ return result;
+ }
+
+}