# Hierarchy For Package org.apache.commons.io.output

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.commons.io.output.NullAppendable (implements java.lang.Appendable)
  - java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    - org.apache.commons.io.output.AbstractByteArrayOutputStream
      - org.apache.commons.io.output.ByteArrayOutputStream
      - org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream
    - org.apache.commons.io.output.AppendableOutputStream<T>
    - org.apache.commons.io.output.BrokenOutputStream
    - org.apache.commons.io.output.ClosedOutputStream
    - org.apache.commons.io.output.DemuxOutputStream
    - java.io.FilterOutputStream
      - org.apache.commons.io.output.ChunkedOutputStream
      - java.io.PrintStream (implements java.lang.Appendable, java.io.Closeable)
        - org.apache.commons.io.output.NullPrintStream
      - org.apache.commons.io.output.ProxyOutputStream
        - org.apache.commons.io.output.CloseShieldOutputStream
        - org.apache.commons.io.output.CountingOutputStream
        - org.apache.commons.io.output.TaggedOutputStream
        - org.apache.commons.io.output.TeeOutputStream
    - org.apache.commons.io.output.NullOutputStream
    - org.apache.commons.io.output.ThresholdingOutputStream
      - org.apache.commons.io.output.DeferredFileOutputStream
    - org.apache.commons.io.output.WriterOutputStream
  - java.io.Writer (implements java.lang.Appendable, java.io.Closeable, java.io.Flushable)
    - org.apache.commons.io.output.AppendableWriter<T>
    - org.apache.commons.io.output.BrokenWriter
    - org.apache.commons.io.output.ClosedWriter
    - org.apache.commons.io.output.FileWriterWithEncoding
    - org.apache.commons.io.output.FilterCollectionWriter
      - org.apache.commons.io.output.ProxyCollectionWriter
        - org.apache.commons.io.output.TeeWriter
    - java.io.FilterWriter
      - org.apache.commons.io.output.ChunkedWriter
      - org.apache.commons.io.output.ProxyWriter
        - org.apache.commons.io.output.CloseShieldWriter
        - org.apache.commons.io.output.TaggedWriter
    - org.apache.commons.io.output.LockableFileWriter
    - org.apache.commons.io.output.NullWriter
    - org.apache.commons.io.output.StringBuilderWriter (implements java.io.Serializable)
    - org.apache.commons.io.output.XmlStreamWriter

## Interface Hierarchy

- org.apache.commons.io.output.AbstractByteArrayOutputStream.InputStreamConstructor<T>

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