Update java-print-text.md

Author: v-jaswel

articles/cognitive-services/Computer-vision/QuickStarts/java-print-text.md

@@ -58,17 +58,12 @@ To create and run the sample, do the following steps:
 
 ```java
 public class Main {
-    // **********************************************
-    // *** Update or verify the following values. ***
-    // **********************************************
 
     // Add your Computer Vision subscription key and endpoint to your environment variables.
-    // After setting, close and then re-open your command shell or project for the changes to take effect.
-    String subscriptionKey = System.getenv("COMPUTER_VISION_SUBSCRIPTION_KEY");
-    String endpoint = ("COMPUTER_VISION_ENDPOINT");
+    private static String subscriptionKey = System.getenv("COMPUTER_VISION_SUBSCRIPTION_KEY");
+    private static String endpoint = System.getenv("COMPUTER_VISION_ENDPOINT");
 
-    private static final String uriBase = endpoint + 
-            "vision/v2.1/ocr";
+    private static final String uriBase = endpoint + "vision/v3.0/ocr";
 
     private static final String imageToAnalyze =
         "https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/" +