Java 空ByteArrayOutputStream/ZipOutputStream的长度=22？
我有一个关于流大小的小问题。以下是我的尝试：Java 空ByteArrayOutputStream/ZipOutputStream的长度=22？,java,Java,我有一个关于流大小的小问题。以下是我的尝试： ByteArrayOutputStream outStream = new ByteArrayOutputStream(); ZipOutputStream zipStream = new ZipOutputStream(outStream); zipStream.close(); outStream.close(); System.err.println(outStream.toByteArray().length); 结果长度始终为22。你能解
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
ZipOutputStream zipStream = new ZipOutputStream(outStream);
zipStream.close();
outStream.close();
System.err.println(outStream.toByteArray().length);