2020-10-07 13:35:40 -06:00

25 lines
765 B
Java

// collectiontopics/Enumerations.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Java 1.0/1.1 Vector and Enumeration
import java.util.*;
import onjava.*;
public class Enumerations {
public static void main(String[] args) {
Vector<String> v =
new Vector<>(Countries.names(10));
Enumeration<String> e = v.elements();
while(e.hasMoreElements())
System.out.print(e.nextElement() + ", ");
// Produce an Enumeration from a Collection:
e = Collections.enumeration(new ArrayList<>());
}
}
/* Output:
ALGERIA, ANGOLA, BENIN, BOTSWANA, BURKINA FASO,
BURUNDI, CAMEROON, CAPE VERDE, CENTRAL AFRICAN
REPUBLIC, CHAD,
*/