package arrayplay;

public class Primes {
    public static void main(String[] args) {
        int[] primes = new int [4];

        primes [0] = 3;
        primes [1] = 5;
        primes [2] = 7;
        primes [3] = 11;

        System.out.println("length of primes array = " + primes.length);
        System.out.println("First Prime = " + primes[0]);
        System.out.println("Last Prime = " + primes[3]);
        System.out.println("Last Prime = " + primes[primes.length-1]);

        System.out.println("\nThe intial array ...");
        int i = 0;
        while (i < primes.length)
        {
            System.out.println(primes[i]);
            i+=1;
        }
        int temp = primes[0];
        primes[0] = primes[primes.length-1];
        primes[primes.length-1] = temp;

        System.out.println("\nThe final array ...");
        for (int x = 0; x<primes.length; x+=1)
        {
            System.out.println(primes[x]);
        }

    }
}