# Package javax.mail.util

JavaMail API utility classes.

See: Description

- Class Summary
  Class | Description
  --- | ---
  ByteArrayDataSource | A DataSource backed by a byte array.
  SharedByteArrayInputStream | A ByteArrayInputStream that implements the SharedInputStream interface, allowing the underlying byte array to be shared between multiple readers.
  SharedFileInputStream | A `SharedFileInputStream` is a `BufferedInputStream` that buffers data from the file and supports the `mark` and `reset` methods.

## Package javax.mail.util Description

JavaMail API utility classes. This package specifies utility classes that are useful with other JavaMail APIs.

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