Java List Methods
List<Integer> list = new ArrayList<Integer>();
List<Integer> list1 = new ArrayList<Integer>();
list1.add(0,1);
list1.add(1,2);
list2.add(2,3);
List<Integer> list2 = new ArrayList<Integer>();
list.add(index,element);
list1.addAll(index,list2);
list.size();
list.clear(); // drop all elements from list
list.remove(index);
list.remove(element);
list.get(index);
list.set(index,element);
list.indexOf(element);
list.lastIndexOf(element);
list.equals(element);
list.isEmpty();
list.contains(element);
list.containsAll(list1); // boolean
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