java index up to last element code example

Example 1: java get last element of list

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

Example 2: how to get the last element of array in java

int[] arr = new int[5]; //length of the array is 5
int val = arr[arr.length - 1]; //here variable val stores the last element of arr