?? sequence9.java
字號:
// holding/Sequence9.java
// TIJ4 Chapter Holding, Exercise 9, page 409
// Modify innerclasses/Sequence.java so that Sequence works with an Iterator
// instead of a Selector.
import java.util.*;
public class Sequence9 {
private ArrayList<Object> items = new ArrayList<Object>();
public void add(Object x) {
items.add(x);
}
public Iterator iterator() {
return items.iterator();
}
public static void main(String[] args) {
Sequence9 sequence = new Sequence9();
for(int i = 0; i < 10; i++)
sequence.add(Integer.toString(i));
Iterator it = sequence.iterator();
while(it.hasNext()) { System.out.print(it.next() + " ");
}
}
}
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