330: Apply flyweight pattern to Calculator

Task-Url: #330
unitsofmeasurement · Feb 17, 2021 · 92d49f9 · 92d49f9
1 parent cd19624
commit 92d49f9
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/main/java/tech/units/indriya/internal/function/Calculator.java b/src/main/java/tech/units/indriya/internal/function/Calculator.java
@@ -39,10 +39,10 @@
  * 
  * @author Andi Huber
  * @author Werner Keil
- * @version 1.1
+ * @version 1.2, Feb 17, 2021
  * @since 2.0
  */
-public class Calculator {
+public final class Calculator {
 
     /**
      * Returns a new instance of a {@code Calculator} initialized with the default {@link NumberSystem}, 
@@ -207,4 +207,4 @@ public Number peek() {
     public boolean isLessThanOne() {
         return ns.isLessThanOne(acc);
     }
-}
+}