dir1> java -cp . -jar something.jar

private static final ArrayList<Integer> SomePrimes = new ArrayList<>();
private static final String PrimesFileName = "10000Primes.txt";

static {
    try (InputStream in = Primes.class.getResourceAsStream(PrimesFileName);
            InputStreamReader isr = new InputStreamReader(in);
            BufferedReader br = new BufferedReader(isr)) {
        for (String s; br.ready() && (s = br.readLine()) != null;) {
            // Split into commas.
            String[] ps = s.split(",");
            for (String p : ps) {
                if (p.length() > 0) {
                    SomePrimes.add(Integer.valueOf(p));
                }
            }
        }
    } catch (IOException ex) {
        System.err.println("Loading pf primes failed.");
        ex.printStackTrace(System.err);
    }
}