Streets.java
1    /* 
2     * Another simple program demonstrating ArrayList objects, ArrayList indexing, and the difference 
3     * between for and for each loops. This one uses street names (Strings) instead of numbers (ints). 
4     */
5    
6    package arraylistplay;
7    
8    import java.util.ArrayList;
9    
10   public class Streets {
11       public static void main(String[] args) {
12           ArrayList<String> streets = new ArrayList<>();
13   
14           streets.add("Iberville");
15           streets.add("Decatur");
16           streets.add("Toulouse");
17           streets.add("Bourbon");
18           streets.add("Dauphine");
19           streets.add("Royal");
20           streets.add("St Anne");
21           streets.add("St Peter");
22           streets.add("Conti");
23           streets.add("Exchange");
24           streets.add("Bienville");
25           streets.add("Dumaine");
26   
27           System.out.println("size of streets list = " + streets.size());
28           System.out.println("first street = " + streets.get(0));
29           System.out.println("last street = " + streets.get(11));
30           System.out.println("last street = " + streets.get(streets.size()-1));
31   
32           System.out.println("\nThe initial list ...");
33           for ( String street : streets ) {
34               System.out.println(street);
35           }
36   
37           String temp = streets.get(0);
38           streets.set(0, streets.get(streets.size() -1));
39           streets.set(streets.size()-1,temp);
40   
41           System.out.println("\nThe final list ...");
42           for ( String street : streets ) {
43               System.out.println(street);
44           }
45       }
46   }
47