while(bytes = in.read(buf,0,buf.length) != -1){for(int i = 0;i < bytes; i++)Stystem.out.print(Integer.toHexString(buf[i])&0xff+" ");}while(bytes = in.read(buf,0,buf.length) != -1){for(int i = 0;i < buf.length; i++)Stystem.out.print(Integer.toHexString(buf[i])&0xff+" ");}这两个有什么区别,为什么我运行出来结果不一样!!!
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