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The ArrayList class

• Collects objects of any class type
• add appends to the end
  ArrayList countries = new ArrayList();
countries.add("Belgium");
countries.add("Italy");
countries.add("Thailand");

• size method yields number of elements
  for (int i = 0; i < countries.size(); i++) . . .
• get gets an element; must cast to correct type:
  String country = (String)countries.get(i);
• set sets an element
  countries.set(1, "France");
  

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