- ★★Java質問･相談スレッド169★★
235 ：デフォルトの名無しさん[sage]：2014/06/13(金) 21:35:14.86 ID:AJ/dd/iv - じゃあこんぐらいでどうですか
public static byte[] readAllBytes(String filename) throws IOException {
ByteArrayOutputStream ret = new ByteArrayOutputStream();
FileInputStream fis = new FileInputStream(filename);
try {
byte[] readBuf = new byte[1024 * 1024];
int readSize;
while ( (readSize = fis.read(readBuf)) > 0 )
ret.write(readBuf, 0, readSize);
}
finally {
try {
fis.close();
}
catch ( Exception ex ) {
}
}
return ret.toByteArray();
}
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