Raffle Selector Code

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Random;
import java.util.Scanner;

import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;

public class RaffleSelector {

    public static void main(String args[]) throws FileNotFoundException {

        ArrayList<String> sentences = new ArrayList<String>();
        String temp;
        JFileChooser chooser = new JFileChooser();
        File infile = null;
        if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
            infile = chooser.getSelectedFile();
        }
        Scanner input = new Scanner(infile);
        while (input.hasNextLine()) {
            temp = input.nextLine();
            sentences.add(temp);
        }
        Random r = new Random();
        String line = sentences.get(r.nextInt(sentences.size()));
        JTextArea textArea = new JTextArea();
        textArea.setText(line);
        textArea.setColumns(50);
        textArea.setOpaque(false);
        textArea.setEditable(false);
        textArea.setLineWrap(true);
        textArea.setWrapStyleWord(true);
        JOptionPane.showMessageDialog(null, textArea);
        System.out.println(line);

    }

}