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java.io.OutputStream

java.io.OutputStreamは、すべての出力ストリームの実装が基づく要約クラスです。

ヒント

ほとんどの場合、このクラスにおいて重大なオーバーヘッドは見られません。オーバーヘッドが見られる場合は、使用している出力ストリームがバッファーに入れられているかどうか確かめてください。

バッファ-に入れられない出力ストリームからバッファ-に入れられる出力ストリームに切り替えると、パフォーマンスが向上します。たとえば、FileOutputStreamオブジェクトを使用してファイルにデータを書き込んでいる場合、代わりにBufferedOutputStreamオブジェクトを使用してください。アプリケーションが大量のデータを書き込んでいる場合は、パフォーマンスが格段に向上するはずです。

java.io.OutputStream

java.io.OutputStreamは、すべての出力ストリームの実装が基づく要約クラスです。

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