last element of an array

1let arr = [1,2,3]
2arr[arr.length - 1] //returns last element in an array

1var colors = ["red","blue","green"];
2var green = colors[colors.length - 1];//get last item in the array

1const heroes = ["Batman", "Superman", "Hulk"];
2const lastHero = heroes.pop(); // Returns last elment of the Array
3// lastHero = "Hulk"

1 return array[array.length - 1];

1var my_array = /* some array here */;
2var last_element = my_array[my_array.length - 1];

1int[] array = {1,2,3};
2System.out.println(array[array.length - 1]);