There is a performance overhead involved with readers/writers because they are intended for character streams, and they encode data to bytes under the covers.

读取器/写入器有性能开销，因为它们旨在用于字符流，且会在后台将数据编码为字节。

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Unicode streams, for Unicode character data.

unicode流，用于Unicode字符数据。

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ASCII streams, for ASCII character data.

ascii流，用于ASCII字符数据。

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Rapid fire streams of 140 character info-bites now fill my every waking moment.

FORBES: Now Or Never - The New World Of InfoOverload