!7

static int n = 1000000;

p {
  O[] array = new O[n];
  long mem1 = usedMemoryAfterGC();
  
  for i over array:
    array[i] = fairLock();
    
  long mem2 = usedMemoryAfterGC();
  double objSize = (mem2-mem1)/(double) l(array);
  int rounded = iround(objSize);
  //long f = guessHashMapSize(tableSize);
  print("Approximate object size: " + objSize + " => " + rounded + " bytes");
}