package arrayplay; public class Prime { 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("legnth of Streets 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[1]); 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]); } } }