while((fis.read(buffer,0,n)!=-1)&&(n>0))什么意思fis 是FileInputStream 的实例 FileInputStream fis=new FileInputStream("**")Byte buffer[]=new Byte[n]

while((fis.read(buffer,0,n)!=-1)&&(n>0))什么意思fis 是FileInputStream 的实例 FileInputStream fis=new FileInputStream(**)Byte buffer[]=new Byte[n] FileChannel fc = new FileInputStream(data.txt).getChannel();ByteBuffer buff = ByteBuffer.allocate(1024);fc.read(buff);buff.flip();?while (buff.hasRemaining())?这里判断当前位置与限制为之间是否有元素,System.out.print((char) buff.ge FileChannel fc = new FileInputStream(data.txt).getChannel();ByteBuffer buff = ByteBuffer.allocate(1024);fc.read(buff);buff.flip();?while (buff.hasRemaining())?这里判断当前位置与限制为之间是否有元素,System.out.print((char) buff.ge java中date=fis.read())! 请问如下语句的含义,如下三句,1.if(!**buff)2.while(*(*buff)++ == ' ')3.char *in_p;in_p = --*buff; while you read BUFF是什么意思? buff是什么意思 BUFF 是什么意思? BUFF 是什么意思? some people read for knowledge while others read for p_____ While You Read的中文意思是什么? while ((ch = bis.read(buf)) = 初二下While You Read 全部翻译! MORE THE BUFF怎么样 梦想帝王buff是什么意思 buff什么意思 she to read english for a little while为什么用 to read 而不用 read呢