Adding tabs

Author: SnehaGunda

articles/cosmos-db/create-sql-api-java-changefeed.md

@@ -119,6 +119,8 @@ mvn clean package
 
 1. Press enter again in the terminal. This will trigger 10 documents to be inserted into **InventoryContainer**. Each document insertion appears in the Change Feed as JSON; the following callback code handles these events by mirroring the JSON documents into a materialized view:
 
+   # [Java SDK 4.0](#tab/v4sdk)
+
     **Java SDK 4.0**
     ```java
     public static ChangeFeedProcessor getChangeFeedProcessor(String hostName, CosmosAsyncContainer feedContainer, CosmosAsyncContainer leaseContainer) {
@@ -145,6 +147,8 @@ mvn clean package
     }
     ```
 
+   # [Java SDK 3.7.0](#tab/v3sdk)
+
     **Java SDK 3.7.0**
     ```java
     public static ChangeFeedProcessor getChangeFeedProcessor(String hostName, CosmosContainer feedContainer, CosmosContainer leaseContainer) {
@@ -170,6 +174,7 @@ mvn clean package
         typeContainer.upsertItem(document).subscribe();
     }    
     ```
+   ---
 
 1. Allow the code to run 5-10sec. Then return to the Azure Portal Data Explorer and navigate to **InventoryContainer > items**. You should see that items are being inserted into the inventory container; note the partition key (```id```).
 
@@ -185,6 +190,8 @@ mvn clean package
 
     Hit enter again to call the function ```deleteDocument()``` in the example code. This function, shown below, upserts a new version of the document with ```/ttl == 5```, which sets document Time-To-Live (TTL) to 5sec. 
     
+   # [Java SDK 4.0](#tab/v4sdk)
+
     **Java SDK 4.0**
     ```java
     public static void deleteDocument() {
@@ -212,6 +219,7 @@ mvn clean package
         feedContainer.upsertItem(document,new CosmosItemRequestOptions()).block();
     }    
     ```
+   # [Java SDK 3.7.0](#tab/v3sdk)
 
     **Java SDK 3.7.0**
     ```java
@@ -240,6 +248,7 @@ mvn clean package
         feedContainer.upsertItem(document,new CosmosItemRequestOptions()).block();
     }    
     ```
+   ---
 
     The Change Feed ```feedPollDelay``` is set to 100ms; therefore, Change Feed responds to this update almost instantly and calls ```updateInventoryTypeMaterializedView()``` shown above. That last function call will upsert the new document with TTL of 5sec into **InventoryContainer-pktype**.