java get last element of list

1firstNum = numbers[0];
2lastNum = numbers[numbers.length-1];

1
2arrayName[arrayName.length() - 1];

1ArrayList<Integer> list = new ArrayList<Integer>(5); 
2int last = list.get(list.size() - 1); 

1# The smart way
2
3list = ["first item", "second item", "third item"]
4print(list[len(list) - 1])
5
6# The proper way
7print(list[-1])

1int[] arr = new int[5]; //length of the array is 5
2int val = arr[arr.length - 1]; //here variable val stores the last element of arr

1list1 = ['a','b','c']
2print(list1[-1])
3
4