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FileReader fr = new FileReader("ming.txt");
int ch = 0;
while((ch = fr.read())!=-1 )
{
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}
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while((ch = isr.read())!=-1)
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}
¡¡¡¡ÕâºÍFileReader²¢Ã»ÓÐÊ²Ã´Çø±ð£¬ÊÂʵÉÏÔÚFileReaderÖеķ½·¨¶¼ÊÇ´ÓInputStreamReaderÖм̳йýÀ´µÄ¡£read()·½·¨ÊDZȽϺ÷Ñʱ¼äµÄ£¬Èç¹ûΪÁËÌá¸ßЧÂÊÎÒÃÇ¿ÉÒÔʹÓÃBufferedReader¶ÔReader½øÐаü×°£¬ÕâÑù¿ÉÒÔÌá¸ß¶ÁÈ¡µÃËÙ¶È£¬ÎÒÃÇ¿ÉÒÔÒ»ÐÐÒ»ÐеĶÁÈ¡Îı¾£¬Ê¹ÓÃreadLine()·½·¨¡£
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("ming.txt")));
String data = null;
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FileWriter fw = new FileWriter("hello.txt");
String s = "hello world";
fw.write(s,0,s.length());
fw.flush();
OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream("hello2.txt"));
osw.write(s,0,s.length());
osw.flush();
PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("hello3.txt")),true);
pw.println(s);
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public class input1
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{
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