differencesArrayArrayList

///Array way is commented out.  ArrayList way is not.

DECLARE
ArrayList<Baby> manyBabyHolder;
//Baby[ ] manyBabyHolder;

CREATE
manyBabyHolder = new ArrayList<Baby>();
//manyBabyHolder = new Baby[1000];

ADD TO
manyBabyHolder.add(new Baby(int(random(width)), int( random(height))));  //birth
//  manyBabyHolder[placeToAddInArray] = new Baby(int(random(width)), int( random(height)));  //birth
// placeToAddInArray++;

  
ITERATE THROUGH
for (int i =0; i < manyBabyHolder.size (); i++) {
  Baby thisBaby = manyBabyHolder.get(i);
  
//for (int i =0; i < manyBabyHolder.length; i++) {
//    Baby thisBaby = manyBabyHolder[i];
//    if (thisBaby != null) {  //check to see if you put something in this part of the array