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Showing content from https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/ObjectOutput.html below:

ObjectOutput (Java SE 17 & JDK 17)

All Superinterfaces:

AutoCloseable, DataOutput

All Known Implementing Classes:

ObjectOutputStream

ObjectOutput extends the DataOutput interface to include writing of objects. DataOutput includes methods for output of primitive types, ObjectOutput extends that interface to include objects, arrays, and Strings.

Since:

1.1

See Also:

• InputStream
• ObjectOutputStream
• ObjectInputStream

• Method Summary

  void

  void

  void

  Writes an array of bytes.

  void

  write(byte[] b, int off, int len)

  Writes a sub array of bytes.

  void

  void

  Write an object to the underlying storage or stream.

  Methods declared in interface java.io.DataOutputwriteBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

• Method Details
  • writeObject

    Write an object to the underlying storage or stream. The class that implements this interface defines how the object is written.

    Parameters:

    obj - the object to be written

    Throws:

    IOException - Any of the usual Input/Output related exceptions.

  • write

    Writes a byte. This method will block until the byte is actually written.

    Specified by:

    write in interface DataOutput

    Parameters:

    b - the byte

    Throws:

    IOException - If an I/O error has occurred.

  • write

    Writes an array of bytes. This method will block until the bytes are actually written.

    Specified by:

    write in interface DataOutput

    Parameters:

    b - the data to be written

    Throws:

    IOException - If an I/O error has occurred.

  • write void write(byte[] b, int off, int len)

    throws

    IOException

    Writes a sub array of bytes.

    Specified by:

    write in interface DataOutput

    Parameters:

    b - the data to be written

    off - the start offset in the data

    len - the number of bytes that are written

    Throws:

    IOException - If an I/O error has occurred.

  • flush

    Flushes the stream. This will write any buffered output bytes.

    Throws:

    IOException - If an I/O error has occurred.

  • close

    Closes the stream. This method must be called to release any resources associated with the stream.

    Specified by:

    close in interface AutoCloseable

    Throws:

    IOException - If an I/O error has occurred.

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