Updated key/endpoint

Endpoints are not region-based anymore, but rather custom domain -based. Although regional endpoints will still work. Also, the authentication information is moving to a standard of getting it from environment variables.

Author: wiazur

java/Search/BingVisualSearchv7.java

@@ -36,8 +36,10 @@
 
 public class UploadImage2 {
 
-    static String endpoint = "https://api.cognitive.microsoft.com/bing/v7.0/images/visualsearch";
-    static String subscriptionKey = "<yoursubscriptionkeygoeshere";
+    // Add your Bing Search V7 endpoint to your environment variables.
+    static String endpoint = System.getenv("BING_SEARCH_V7_ENDPOINT") + "/bing/v7.0/images/visualsearch";
+    // Add your Bing Search V7 subscription key to your environment variables.
+    static String subscriptionKey = System.getenv("BING_SEARCH_V7_SUBSCRIPTION_KEY");
     static String imagePath = "<pathtoyourimagetouploadgoeshere>";
 
     /**
@@ -83,4 +85,4 @@ public static String prettify(String json_text) {
         return gson.toJson(json);
     }
 
-}
+}