如何使用字节从BufferedInputStream创建字符串？

这个问题在这里已经有了答案：

将InputStream读取/转换为字符串56个答案

---

缓冲区太大。 尝试这个：

    InputStream content = new FileInputStream(file);

    int numRead;
    final int bufferSize = 1024;
    byte[] buffer = new byte[bufferSize];
    ByteArrayOutputStream outString = new ByteArrayOutputStream();
    try{
        while ((numRead = content.read(buffer)) != -1) {
            outString.write(buffer, 0, numRead);
        }
    } finally {
        content.close();
    }
    return new String(outString.toByteArray());

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