import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Control;
import javax.sound.sampled.Line;
import javax.sound.sampled.Mixer;

public class AudioInfo
{
    public void show()
    {
        Mixer mixer;
        Mixer.Info[] mixerInfos;

        mixerInfos = AudioSystem.getMixerInfo();

        for (int i = 0; i < mixerInfos.length; i++)
        {
            Mixer.Info mixerInfo = mixerInfos[i];

            mixer = AudioSystem.getMixer(mixerInfo);
            System.out.println(mixerInfo);

            Line[] targetLines = mixer.getTargetLines();
            for (int j = 0; j < targetLines.length; j++)
            {
               System.out.println("  Line[" + j + "]: " + targetLines[j]);
            }
            
            Control[] controls = mixer.getControls();
            for (int j = 0; j < controls.length; j++)
            {
               System.out.println("  Control[" + j + "]: " + controls[j]);
            }
        }
    }

    public static void main(String[] args)
    {
        new AudioInfo().show();
    }
}