Java Sound:获取默认麦克风端口

import javax.sound.sampled.*;

public class MicrophonePort {
    public static void main(String[] args) {
        Mixer.Info[] mixerInfos = AudioSystem.getMixerInfo();
        for (Mixer.Info info : mixerInfos) {
            Mixer mixer = AudioSystem.getMixer(info);
            Line.Info[] lineInfos = mixer.getTargetLineInfo();
            for (Line.Info lineInfo : lineInfos) {
                if (lineInfo.getLineClass().equals(Port.class)) {
                    Port port = (Port) mixer.getLine(lineInfo);
                    if (port instanceof MicrophonePort) {
                        System.out.println("Default Microphone Port: " + port);
                    }
                }
            }
        }
    }
}