FileFilter for JFileChooser

Question

I want to restrict a JFileChooser to select only mp3 files. But, the following code allows all file types:

FileFilter filter = new FileNameExtensionFilter("MP3 File","mp3");
fileChooser.addChoosableFileFilter(filter);
fileChooser.showOpenDialog(frame);
File file = fileChooser.getSelectedFile();

Answer 1

Try and use fileChooser.setFileFilter(filter) instead of fileChooser.addChoosableFileFilter(filter);

Answer 2

If you want only mp3 files:

import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;

public class SalutonFrame {

    public static void main(String[] args) {
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setAcceptAllFileFilterUsed(false);
        FileNameExtensionFilter filter = new FileNameExtensionFilter("MPEG3 songs", "mp3");
        fileChooser.addChoosableFileFilter(filter);
        fileChooser.showOpenDialog(null);

    }
}