Added Karatsuba's multiplication algorithm

adesh2756 · adesh2756 · commit ea7f83232366 · 2025-10-01T18:41:43.000+05:30
diff --git a/src/main/java/com/thealgorithms/divideandconquer/KaratsubaMultiplication.java b/src/main/java/com/thealgorithms/divideandconquer/KaratsubaMultiplication.java
@@ -3,7 +3,7 @@
 
 import java.util.Scanner;
 
-public class KaratsubaMultiplication {
+public final class KaratsubaMultiplication {
 
     // Private constructor to prevent instantiation
     private KaratsubaMultiplication() {
