SynthTest.java

import	javax.sound.midi.Synthesizer;
import	javax.sound.midi.MidiSystem;
import	javax.sound.midi.MidiChannel;


public class SynthTest
{
	public static void main(String[] args)
	throws Exception
	{
		Synthesizer synth = MidiSystem.getSynthesizer();
		out("Synthesizer: " + synth);
		synth.open();
		MidiChannel channel = synth.getChannels()[0];
		for (int i = 121; i <= 127; i++)
		{
			out("controller " + i + ": " + channel.getController(i));
		}
		out("Mono: " + channel.getMono());
		channel.setMono(true);
		for (int i = 121; i <= 127; i++)
		{
			out("controller " + i + ": " + channel.getController(i));
		}
		out("Mono: " + channel.getMono());
		synth.close();
	}

	private static void out(String msg)
	{
		System.out.println(msg);
	}
}