public class TryVector
1: //TryVector.java (from Horton)
2: //Reads a Vector of "stars" from the keyboard,
3: //then displays them in sorted order.
4:
5: import java.util.*;
6: import java.io.*;
7:
8: public class TryVector
9: {
10: public static void main(String[] args)
11: {
12: Person aPerson; //A person object
13: Crowd filmCast = new Crowd();
14:
15: //Populate the cast
16: while(true) //Indefinite loop
17: {
18: aPerson = readPerson(); //Read in a film star
19: if(aPerson == null) //If null obtained...
20: break; //We are done...
21: filmCast.add(aPerson); //Otherwise, add to the cast
22: }
23:
24: int count = filmCast.size();
25: System.out.println("You added "+count +
26: (count == 1 ? " person": " people")+ " to the cast.\n");
27:
28: filmCast.sort(); //Sort the cast
29:
30: //Show who is in the cast using an iterator
31: Iterator thisLot = filmCast.iterator(); //Obtain an iterator
32: while(thisLot.hasNext()) //Output all elements
33: System.out.println( thisLot.next() );
34: }
35:
36: //Read a person from the keyboard
37: static public Person readPerson()
38: {
39: FormattedInput in = new FormattedInput();
40:
41: //Read in the first name and remove blanks front and back
42: System.out.println("\nEnter first name or ! to end:");
43: String firstName = in.stringRead().trim(); //Read and trim string
44:
45: if(firstName.charAt(0) == '!') //Check for ! entered
46: return null; //If so, we are done
47:
48: //Read in the surname, also trimming blanks
49: System.out.println("Enter surname:");
50: String surname = in.stringRead().trim(); //Read and trim string
51: return new Person(firstName,surname);
52: }
53: }
54: