Module java.base
Package java.io

Interface ObjectOutput

    • Method Detail

      • writeObject

        void writeObject​(Object obj)
                  throws IOException
        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

        void write​(int b)
            throws IOException
        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

        void write​(byte[] b)
            throws IOException
        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

        void flush​()
            throws IOException
        Flushes the stream. This will write any buffered output bytes.
        Throws:
        IOException - If an I/O error has occurred.
      • close

        void close​()
            throws IOException
        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.