COS126

• Download MysteryArray.java

/********************************************************************
 * Name:
 * Login:
 * Precept:
 *
 * Description: It's a secret! Shh.
 *******************************************************************/

// TO DO: Figure out what this program does. (Stumped? See Exer. 1.4.4.)

public class MysteryArray {
    public static void main(String[] args) {
        int N = args.length;
        int[] a = new int[N];
    
        // store the arguments in an integer array
        for (int i = 0; i < N; i++) {
            a[i] = Integer.parseInt(args[i]);
        }
    
        // What is happening here?
        for (int i = 0; i < N/2; i++) {
            int temp = a[i];
            a[i] = a[N - i - 1];
            a[N - i - 1] = temp;
        }
    
        // print out the elements
        for (int i = 0; i < N; i++) {
            System.out.print(a[i] + " ");
        }

        System.out.println();
    }
}