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