package arrayplay;

public class Primes {
    public static void main(String[] args){

        int[] primes = new int[4];

        primes[0]=2;
        primes[1]=3;
        primes[2]=5;
        primes[3]=7;
        System.out.println("lenghth of the prime 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 initial array ...");
        int i = 0;
        while(i<primes.length){
            System.out.println(primes[i]);
            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=x+1){
            System.out.println(primes[x]);
        }

    }
}