@Override public synchronized void powerOnSelfTest() throws Error {
  for (Iterator<WaveformSynthesizer> it=waveformSynthesizers.iterator(); it.hasNext(); ) {
    WaveformSynthesizer ws=it.next();
    ws.powerOnSelfTest();
  }
}

@ Override public synchronized void powerOnSelfTest ( ) throws Error { for ( Iterator < WaveformSynthesizer > it = waveformSynthesizers . iterator ( ) ; it . hasNext ( ) ; ) { WaveformSynthesizer ws = it . next ( ) ; ws . powerOnSelfTest ( ) ; } }
perform a power - on self test by processing some example input data .
