1 package arraylistplay; 2 3 import java.util.ArrayList; 4 5 public class Streets { 6 7 public static void main(String[] args) { 8 9 ArrayList<String> streets = new ArrayList<>(); 10 11 streets.add("Iberville"); 12 streets.add("Decatur"); 13 streets.add("Toulouse"); 14 streets.add("Bourbon"); 15 streets.add("Dauphine"); 16 streets.add("Royals"); 17 streets.add("St Ann"); 18 streets.add("St Peter"); 19 streets.add("Conti"); 20 streets.add("Exchange"); 21 streets.add("Bienville"); 22 streets.add("Dumaine"); 23 24 System.out.println("\nThe size of streets = " + streets.size()); 25 System.out.println("\n The first street = " + streets.get(0)); 26 System.out.println("\n The last street = " + streets.get(11)); 27 System.out.println("\n The last street = " + streets.get(streets.size() - 1)); 28 29 System.out.println("\nThe streets before ..."); 30 for (String street : streets) { 31 System.out.println(street); 32 } 33 34 String element = streets.get(0); 35 streets.set(0, streets.get(streets.size() -1)); 36 streets.set(streets.size() - 1, element); 37 38 System.out.println("\nThe streets after ..."); 39 for (String street : streets) { 40 System.out.println(street); 41 } 42 43 } 44 45 } 46