请高手帮忙编个简单的java或者c的小程序。数数字的个数

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import java.io.*;

class Test1
{
public static void main(String[] args) throws IOException
{
FileReader fr = new FileReader("c:\\test.txt");
BufferedReader br = new BufferedReader(fr);

//File wf = new File("c:\\","result.txt");
FileWriter fw = new FileWriter("c:\\result.txt");
PrintWriter pw = new PrintWriter(fw);

String linesame = br.readLine();
String line = br.readLine();
int samestr = 1;
while(line != null)
{
if(!line.equals(linesame))
{
pw.write(String.valueOf(samestr));
pw.println();
pw.flush();
linesame = line;
System.out.print(String.valueOf(samestr)+'\n');
samestr=1;
}
else
{
samestr++;
}

line = br.readLine();
}
pw.write(String.valueOf(samestr));
pw.println();
pw.flush();
System.out.print(String.valueOf(samestr)+'\n');
}
}