import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class MainClass {
public static void main(String[] args) {
List cats = new ArrayList();
for (int i = 0; i < 7; i++)
cats.add(new Cat(i));
Iterator e = cats.iterator();
while (e.hasNext())
((Cat) e.next()).id();
}
}
class Cat {
private int catNumber;
public Cat(int i) {
catNumber = i;
}
public void id() {
System.out.println("Cat #" + catNumber);
}
}
/*
*/
Cat #0
Cat #1
Cat #2
Cat #3
Cat #4
Cat #5
Cat #6