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FileReader fr = new FileReader("ming.txt");  
int ch = 0;  
while((ch = fr.read())!=-1 )  
{  
System.out.print((char)ch);  

FileReader fr = new FileReader("ming.txt");
int ch = 0;
while((ch = fr.read())!=-1 )
{
System.out.print((char)ch);
}
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}
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BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("ming.txt")));
String data = null;
while((data = br.readLine())!=null)
{
System.out.println(data);
}
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