fix: Add consistent read to basic example (#298)

* Changed type to N and added consistent read to true

* Update Examples/runtimes/java/DynamoDbEncryption/src/main/java/software/amazon/cryptography/examples/BasicPutGetExample.java

Co-authored-by: lavaleri <[email protected]>

---------

Co-authored-by: Hannigan <[email protected]>
Co-authored-by: Lee <[email protected]>

Author: 3 people

Examples/runtimes/java/DynamoDbEncryption/src/main/java/software/amazon/cryptography/examples/BasicPutGetExample.java

@@ -27,7 +27,7 @@
   This table must be configured with the following
   primary key configuration:
     - Partition key is named "partition_key" with type (S)
-    - Sort key is named "sort_key" with type (S)
+    - Sort key is named "sort_key" with type (N)
  */
 public class BasicPutGetExample {
 
@@ -154,6 +154,12 @@ public static void PutItemGetItem(String kmsKeyId, String ddbTableName) {
         final GetItemRequest getRequest = GetItemRequest.builder()
                 .key(keyToGet)
                 .tableName(ddbTableName)
+                // In this example we configure a strongly consistent read
+                // because we perform a read immediately after a write (for demonstrative purposes).
+                // By default, reads are only eventually consistent.
+                // Read our docs to determine which read consistency to use for your application:
+                // https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.ReadConsistency.html
+                .consistentRead(Boolean.TRUE)
                 .build();
 
         final GetItemResponse getResponse = ddb.getItem(getRequest);