public boolean isTimeToRenew(){
  return creationTime + (lifetime * 3) / 4 < System.currentTimeMillis();
}

public boolean isTimeToRenew ( ) { return creationTime + ( lifetime * 3 ) / 4 < System . currentTimeMillis ( ) ; }
return security token time to renew status . true if 75 % of security tokens life - time has elapsed .
