how to get the last object in arraylist code example

Example 1: java last element in array

arrayName[arrayName.length() - 1];

Example 2: java get last element of list

ArrayList<Integer> list = new ArrayList<Integer>(5); 
int last = list.get(list.size() - 1);

Example 3: arraylist get last

E e = list.get(list.size() - 1);