protected void initPool(){
  running=true;
  for (int i=size; --i >= 0; ) {
    PoolThread thread=new PoolThread();
    threadPool.add(thread);
    thread.start();
  }
}

protected void initPool ( ) { running = true ; for ( int i = size ; -- i >= 0 ; ) { PoolThread thread = new PoolThread ( ) ; threadPool . add ( thread ) ; thread . start ( ) ; } }
initializes the pool , populating it with n started threads .
