/* 
 A program to compare and contrast array processing 
 */
package arraylistplay;
import javax.swing.*;
import java.util.ArrayList;
public class Primes {
    public static void main(String[] args) {
        ArrayList<Integer> primes = new ArrayList<>();
        primes.add(2);
        primes.add(3);
        primes.add(5);
        primes.add(7);
        System.out.println("size of primes list = " + primes.size());
        System.out.println("first prime  = " + primes.get(0));
        System.out.println("last prime  = " + primes.get(3));
        System.out.println("last prime  = " + primes.get(primes.size() - 1));
        System.out.println("\nThe initial list...");
        for (Integer prime : primes) {
            System.out.println(prime);
        }
        int temp = primes.get(0);
        primes.set(0, primes.get(primes.size() - 1));
        primes.set(primes.size() - 1, temp);
        System.out.println("\nThe final list...");
        for (Integer prime : primes) {
            System.out.println(prime);
        }
    }
}