1    /* 
2     * Write a program, referencing the Primes program, by analogy, a program to 
3     * name the streets in the french quarter of New Orleans. 
4     */
5    
6    package arrayplay;
7    
8    public class Streets {
9    
10       public static void main(String[] args){
11           String[] streets = new String[12];
12   
13           streets[0] = "Iberville";
14           streets[1] = "Decatur";
15           streets[2] = "Toulouse";
16           streets[3] = "Bourbon";
17           streets[4] = "Douphine";
18           streets[5] = "Royal";
19           streets[6] = "St Ann,";
20           streets[7] = "St Peter";
21           streets[8] = "Conti";
22           streets[9] = "Exchange";
23           streets[10] = "Bienville";
24           streets[11] = "Dumaine";
25   
26           //display, labelled, the length of the featured array, the first element, the last element twice
27           System.out.println("length of streets array = " + streets.length);
28           System.out.println("first street = " + streets[0]);
29           System.out.println("last street = " + streets[11]);
30           System.out.println("last street = " + streets[streets.length-1]);
31   
32           //display, labelled, the elements of the streets array
33           System.out.println("\nThe intitial streets array ...");
34           int i = 0;
35           while ( i < streets.length ) {
36               System.out.println(streets[i]);
37               i = i + 1;
38           }
39           //swap the first and last elements of the streets array
40           String temp = streets[0];
41           streets[0] = streets[streets.length-1];
42           streets[streets.length-1] = temp;
43   
44           //use a for loop to list the elements of the streets array, with the first and last elements swapped
45           System.out.println("\nThe final streets array ...");
46           for ( int x = 0; x < streets.length; x = x +1){
47               System.out.println(streets[x]);
48           }
49       }
50   }
51