Applied patch from jira issue - OFBIZ-7802 - Enforce noninstantiability to ProductWorker class. Thanks Chinmay Patidar and Rishi Solanki for your contribution.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1754935 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/applications/product/src/main/java/org/apache/ofbiz/product/product/ProductWorker.java b/applications/product/src/main/java/org/apache/ofbiz/product/product/ProductWorker.java
index 9fdae13..02a8f54 100644
--- a/applications/product/src/main/java/org/apache/ofbiz/product/product/ProductWorker.java
+++ b/applications/product/src/main/java/org/apache/ofbiz/product/product/ProductWorker.java
@@ -53,12 +53,12 @@
 /**
  * Product Worker class to reduce code in JSPs.
  */
-public class ProductWorker {
+public final class ProductWorker {
 
     public static final String module = ProductWorker.class.getName();
-    public static final String resource = "ProductUiLabels";
+    private static final String resource = "ProductUiLabels";
 
-    public static final MathContext generalRounding = new MathContext(10);
+    private static final MathContext generalRounding = new MathContext(10);
 
     private ProductWorker () {}