// the program swaps the first and the last elements

public class Swap  {

    public static void main(String [] args) {
	int [] a = {1, 2, 3, 4, 5};

	int temp = a[0];
	a[0] = a[a.length - 1];
	a[a.length - 1] = temp;

	for (int i = 0; i < a.length; ++i) {
	    System.out.println("a[" + i  + "] = " + a[i]);
	}
    }
}