java 32 or 64

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;

public class detect
{
    private static boolean is64() throws IOException
    {
        BufferedReader in = new BufferedReader(new FileReader("/proc/cpuinfo"));
        String line = null;
        while((line = in.readLine()) != null) {
            if(line.startsWith("flags   ")) {
                StringTokenizer flags = new StringTokenizer(line, " ");
                while(flags.hasMoreTokens())
                    if(flags.nextToken().equals("lm"))
                        return true;
                break;
            }
        }
        return false;
    }

    public static void main(String args[]) throws IOException
    {
        if(is64())
            System.out.println("64");
        else
            System.out.println("32");
    }
}