!7

p {
  O[] array = new O[100000];
  long mem1 = usedMemoryAfterGC();
  for i over array: array[i] = new String("abc");
  long mem2 = usedMemoryAfterGC();
  double objSize = (mem2-mem1)/(double) l(array);
  print("Approximate object size: " + objSize + " bytes");
}