How do I make this work?

From:
"newbie_at_java" <acchm0604@hotmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 3 Apr 2007 09:30:47 +0200
Message-ID:
<46120291$0$11281$e4fe514c@dreader24.news.xs4all.nl>
Dear Zefria,

thank you for your suggestion. O miracle, it works (but only when used with a main method).
Not when I place the code in class: Solution_1.java and call this code from class: Use_solution_1.java (as you can see both are in the same package). Do you know how I make this work?

This is what I do:

Use_solution_1.java:

package solutions;

import java.io.*;
import solutions.Solution_1;

public class Use_solution_1
{
    public void main(String[] args)
    {
        FileReadingMethod("c:\\temp\\this_will_never_work.txt");
    }

}

Solution_1.java:

package solutions;

import java.io.*;
import static java.lang.System.out;

public class Solution_1 {

   public void FileReadingMethod(String filename)
// public static void main(String args[])
    {
        BufferedReader br = null;
        String line;
// String filename = "c:\\temp\\this_will_never_work.txt";
        try
        {
            br = new BufferedReader(new FileReader(filename));
        }
        catch (FileNotFoundException e)
        {
            System.err.println("Requested file was not found!");
            System.exit(1);
        }
        try
        {
            line = br.readLine();
            while (true)
            {
                /////////
                // PROCESSING CODES GOES HERE
                /////////
              out.println("Gelezen= "+line);
                // Read the next line. If line==null, that indicates the end of the file.
                line = br.readLine();
                if (line == null) break;
            }
        }
        catch (IOException e)
        {
            System.err.println("File was found, but an IOError occured!");
            System.exit(2);
        }
    }
}

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