Java V2 Adds upload part copy code example to AWS code lib (#7102)

* Added upload part copy to code lib
* Updated the S3 Readme

---------

Co-authored-by: David Souther <[email protected]>

Author: scmacdon

.doc_gen/metadata/s3_metadata.yaml

@@ -213,6 +213,19 @@ s3_CreateBucket:
                 - aws-cli.bash-linux.s3.CreateBucket
   services:
     s3: {CreateBucket}
+s3_UploadPartCopy:
+  languages:
+    Java:
+      versions:
+        - sdk_version: 2
+          github: javav2/example_code/s3
+          sdkguide:
+          excerpts:
+            - description:
+              snippet_tags:
+                - s3.java2.multi_copy.main
+  services:
+    s3: {UploadPartCopy}
 s3_CopyObject:
   languages:
     .NET:

javav2/example_code/s3/README.md

@@ -74,6 +74,7 @@ Code excerpts that show you how to call individual service functions.
 - [PutObjectRetention](src/main/java/com/example/s3/lockscenario/S3LockActions.java#L61)
 - [RestoreObject](src/main/java/com/example/s3/RestoreObject.java#L6)
 - [SelectObjectContent](src/main/java/com/example/s3/async/SelectObjectContentExample.java#L5)
+- [UploadPartCopy](src/main/java/com/example/s3/scenario/S3Actions.java#L379)
 
 ### Scenarios
 

javav2/example_code/s3/src/main/java/com/example/s3/scenario/S3Scenario.java

@@ -31,8 +31,9 @@
  * 4. Uploads an object using multipart upload.
  * 5. List all objects located in the Amazon S3 bucket.
  * 6. Copies the object to another Amazon S3 bucket.
- * 7. Deletes the object from the Amazon S3 bucket.
- * 8. Deletes the Amazon S3 bucket.
+ * 7. Copy the object to another Amazon S3 bucket using multi copy.
+ * 8. Deletes the object from the Amazon S3 bucket.
+ * 9. Deletes the Amazon S3 bucket.
  */
 
 public class S3Scenario {