List microphones in java

miclist.java

package xyz.arwhite;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.Line.Info;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;

public class miclist {

	public record Microphone(Mixer mixer, DataLine target) {}
	Map<String, List<Microphone>> mics = new HashMap<>();
		
	private void buildMicList() {
	
		Mixer.Info[] mixerInfo = AudioSystem.getMixerInfo();
		for (Mixer.Info mixerInfo1 : mixerInfo) {
            Mixer mixer = AudioSystem.getMixer(mixerInfo1);
            
            Line.Info[] targetLines = mixer.getTargetLineInfo();
            for ( Info line : targetLines ) {
            	try {
	            	var targetLine = AudioSystem.getLine(line);
	            	if ( targetLine instanceof DataLine ) {
	            		DataLine dataLine = (DataLine) targetLine;
	            		
	            		var micList = mics.get(mixer.getMixerInfo().getName());
	            		if ( micList == null )
	            			micList = new ArrayList<Microphone>();
	            		
	            		micList.add(new Microphone(mixer, dataLine));
	            		mics.put(mixer.getMixerInfo().getName(), micList);
	            	}
            	} catch(LineUnavailableException e) {
            		System.err.println(e.getMessage());
            	}
            }
		}
	}
	
	private void printMics() {
		
		mics.forEach((name, lineList) -> {
			System.out.println(name);
			
			lineList.forEach(mic -> {
	    		AudioFormat audioFormat = mic.target.getFormat();
	    		System.out.println("\t\t\tChannels = " + audioFormat.getChannels());
	    		System.out.println("\t\t\tEncoding = " + audioFormat.getEncoding());
	    		System.out.println("\t\t\tFrame Rate = " + audioFormat.getFrameRate());
	    		System.out.println("\t\t\tSample Rate = " + audioFormat.getSampleRate());
	    		System.out.println("\t\t\tSample Size (bits) = " + audioFormat.getSampleSizeInBits());
	    		System.out.println("\t\t\tBig Endian = " + audioFormat.isBigEndian());
	    		System.out.println("\t\t\tLevel = " + mic.target.getLevel());
			});	
		});
	}
	
	public static void main(String[] args) {
		var mics = new miclist();
		mics.buildMicList();
		mics.printMics();
	}

}