```
public class CanonicalUser
extends Object
```
Every bucket and object in Amazon S3 has an owner, the user that created the bucket or object. The owner of a bucket or object cannot be changed. However, if the object is overwritten by another user (deleted and rewritten), the new object will have a new owner.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`
`String`	`getDisplayName()`	read-only as is maintained by Amazon.
`String`	`getId()`	To locate the CanonicalUser ID for a user, the user must perform the `BaseBlobStore.list(String)` and retrieve `BucketMetadata.getOwner()`
`int`	`hashCode()`
`void`	`setDisplayName(String displayName)`
`void`	`setId(String id)`

public CanonicalUser(String id,
                     String displayName)

Constructor	Description
`CanonicalUser()`
`CanonicalUser(String id)`
`CanonicalUser(String id, String displayName)`

Class CanonicalUser