firstNum = numbers[0]; lastNum = numbers[numbers.length-1];
arrayName[arrayName.length() - 1];
ArrayList<Integer> list = new ArrayList<Integer>(5); int last = list.get(list.size() - 1);
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
int[] someArray = {1,2,3,4,5}; int first = someArray[0]; int last = someArray[someArray.length - 1]; System.out.println("First: " + first + "\n" + "Last: " + last);
firstNum = numbers.get(0); lastNum = numbers.get(numbers.size() - 1);
List<Post> myLastPosts = posts.subList(posts.size()-40, posts.size());
List<E> tail = l.subList(Math.max(l.size() - 3, 0), l.size());
int last = list.get(list.size() - 1);
// GIVE FIRST NUMBER AND LAST NUMBER firstNum = numbers[0]; lastNum = numbers[numbers.length-1];