The program \"Sample class to read from a file\", it reads information from the

Question

 The program "Sample class to read from a file", it reads information from
the file, can I save that information into a variable?
Let's say the .txt file has a '5' in it, can I add that 5 to another
variable in? If so how would I go about it? Thank you.

import java.io.*;
public class SimpleReader
{
  public void readAndPrintFile(String fileName)
  {
    String line = null;

    // try to do the following
    try
    {
      // create the buffered reader
      BufferedReader reader = 
        new BufferedReader(new FileReader(fileName));

      // Loop while there is more data
      while((line = reader.readLine()) !=null)
      {
        // print the current line
        System.out.println(line);
      }

      // close the reader
      reader.close();
    }
    catch(FileNotFoundException ex)
    {
      SimpleOutput.showError("Couldn't find " + fileName + " please pick it.");
      fileName = FileChooser.pickAFile();
      readAndPrintFile(fileName);
    }
    catch(Exception ex)
    {
      SimpleOutput.showError("Error reading file " + fileName);
      ex.printStackTrace();
    }
  }
  public static void main(String[] args)
  {
    SimpleReader reader = new SimpleReader();
    reader.readAndPrintFile("SHIPS.txt");
  }
}

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