import java.util.Collections;
import java.util.Vector;
public class Main {
public static void main(String[] args) {
Vector<String> v = new Vector<String>();
v.add("1");
v.add("2");
v.add("3");
v.add("4");
v.add("java2s.com");
System.out.println(v);
Collections.swap(v, 0, 4);
System.out.println(v);
}
}
The output:
[1, 2, 3, 4, java2s.com]
[java2s.com, 2, 3, 4, 1]
|
