Micro-in-java

import java.io.File;
import javax.sound.sampled.*;

public class Main {
  AudioFileFormat.Type aFF_T = AudioFileFormat.Type.WAVE;
  AudioFormat aF = new AudioFormat(8000.0F, 16, 1, true, false);
  TargetDataLine tD;
  File f = new File("Grabacion.wav");
  public Main() {
   try {
    DataLine.Info dLI = new DataLine.Info(TargetDataLine.class,aF);
    tD = (TargetDataLine)AudioSystem.getLine(dLI);
    new CapThread().start();
    System.out.println("Grabando durante 10s...");
    Thread.sleep(10000);
    tD.close();
   }catch (Exception e) {}
  }
  class CapThread extends Thread {
  public void run() {
   try {
    tD.open(aF);
    tD.start();
    AudioSystem.write(new AudioInputStream(tD), aFF_T, f);
   }catch (Exception e){}
  }
 }
 public static void main(String[] args) { new Main(); }
}