is.read(buffer) byte [] buffer = new byte[400];int length = 0;while(-1 = (length = is.read(buffer))){os.write(buffer,0,400);}
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is.read(buffer) byte [] buffer = new byte[400];int length = 0;while(-1 = (length = is.read(buffer))){os.write(buffer,0,400);}
is.read(buffer)
byte [] buffer = new byte[400];
int length = 0;
while(-1 = (length = is.read(buffer)))
{
os.write(buffer,0,400);
}
is.read(buffer) byte [] buffer = new byte[400];int length = 0;while(-1 = (length = is.read(buffer))){os.write(buffer,0,400);}
is应该是InputStream的缩写把,回去好好看看api read(bu f fer)中buffer是一个缓冲区 把数据先读到内存中,然后write(bu f fer,0,400)写道OutputStream中,每次都是从buffer内存处的0偏移开始写,每次写400字节.
is.read(buffer) byte [] buffer = new byte[400];int length = 0;while(-1 = (length = is.read(buffer))){os.write(buffer,0,400);}
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byte
Byte
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Byte me.
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byte[] message = new byte[1024 *