class Main { public static void main(String[] args) { int[] elements = {1,2,3,4,5}; int firstElement = elements[0]; int lastElement = elements[elements.length-1]; elements[0] = lastElement; elements[elements.length-1] = firstElement; //the variable "firstElement" doesn't change, even after the actual first element was reassigned for(int i=0; i<elements.length; i++){ System.out.println(elements[i]); } } }