public static VectorClock increment(VectorClock clock,int... nodes){
  for (  int n : nodes)   clock=clock.incremented((short)n,System.currentTimeMillis());
  return clock;
}

public static VectorClock increment ( VectorClock clock , int ... nodes ) { for ( int n : nodes ) clock = clock . incremented ( ( short ) n , System . currentTimeMillis ( ) ) ; return clock ; }
record events for the given sequence of nodes
