Bael 5369 new (#12073)

* BAEL-5369: Checking Connection to MongoDB

* BAEL-5369:- Minor Fix Checking Connection to MongoDB

persistence-modules/java-mongodb-2/src/main/java/com/baeldung/mongo/ConnectionCheck.java

@@ -7,7 +7,7 @@ import com.mongodb.ServerAddress;
 
 public class ConnectionCheck {
 
-    public static void checkingConnection() {
+    public static MongoClient checkingConnection() {
 
         MongoClientOptions.Builder builder = MongoClientOptions.builder();
 
@@ -27,9 +27,10 @@ public class ConnectionCheck {
             System.out.println(db.getStats());
         } catch (Exception e) {
             System.out.println("MongoDB Server is Down");
-            mongoClient.close();
         }
 
+        return mongoClient;
+
     }
 
     public static void main(String[] args) {
@@ -42,5 +43,4 @@ public class ConnectionCheck {
 
     }
 
-}
-
+}