第五次作业

 1 import java.util.ArrayList;
 2 import java.util.List;
 3 import java.util.Random;
 4 
 5 
 6 public class Driver {
 7 
 8     private static String[] lastNames = {"Doe", "Smith", "Jones", "Adams", "Marshall", "Thompson", "Bradley", "Brown", "White", "Franklin", "Davis", "Cohn", "Clark"};
 9     private static String[] firstNames = {"Mary", "John", "Susan", "Michael", "David", "Lisa", "Wendy", "Diane", "Kelly", "Claire", "Elizabeth", "Mitchell", "Richard"};
10 
11     public static void main(String[] args) {
12         
13         // create an empty list
14         List<Student> studentList = new ArrayList<Student>();
15 
16         // initialize random generator
17         Random random = new Random();
18         
19         // create random number of students
20         mt(studentList, random);
21         
22         
23     //print out the students
24     maotao(studentList);
25 
26    }
27 
28     public static void maotao(List<Student> studentList) {
29         for (Student temp : studentList) {
30             System.out.println(temp);
31             
32         }
33     }
34 
35     public static void mt(List<Student> studentList, Random random) {
36         for (int i=0; i < 3; i++) {
37 
38             // get random first name
39             String tempFirstName = firstNames[random.nextInt(firstNames.length)];
40             
41             // get random last name
42             String tempLastName = lastNames[random.nextInt(lastNames.length)];
43             
44             // get random age
45             int age = 18 + random.nextInt(20);
46 
47             // create student
48             Student tempStudent = new Student(tempLastName, tempFirstName, age);
49             
50             // add them to the list
51             studentList.add(tempStudent);
52         }
53     }
54 
55 }