how to get the last element from any aray code example

Example 1: js take last item in array

const heroes = ["Batman", "Superman", "Hulk"];
const lastHero = heroes.pop(); // Returns last elment of the Array
// lastHero = "Hulk"

Example 2: how to find last element in array

int [] y={1,2,3,4,5};
int c=(n.length-1);