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バイナリファイルをコピーする | Java | 株式会社CONFRAGE
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Warning: include_once(): Failed opening '/home/sites/heteml/users/m/o/r/moriya-h5/web/confrage/bin/menu.php' for inclusion (include_path='.:/usr/local/php/5.6/lib/php') in /home/users/2/moriya-h5/web/confrage/java/io/binaryfile_copy/binaryfile_copy.html on line 17
バイナリファイルをコピーする
バイナリファイルをコピーするにはBufferedInputStreamクラスとBufferedOutputStreamクラスを使用します。
コピー元ファイルが存在しない場合、エラーとなります。
コピー先ファイルが存在しない場合は、新規作成されます。

JAVAソース
import java.io.*;

public class Test{
  public static void main(String args[]) throws IOException{
    int bf;

    BufferedInputStream  src  = new BufferedInputStream(new FileInputStream("c:¥¥a.exe"));
    BufferedOutputStream dest = new BufferedOutputStream(new FileOutputStream("c:¥¥b.exe"));

    while ((bf = src.read()) >= 0){
      dest.write(bf);
    }
    dest.flush();
    src.close();
    dest.close();
    }
}

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