Listing 7. The BaseballIterator class.
import java.util.List;
public class BaseballIterator implements Iterator<Sports> {
private int current = 0;
private List<Sports> baseballList;
public BaseballIterator(List<Sports> baseballList) {
this.baseballList = baseballList;
}
public boolean hasNext() {
if(current >= baseballList.size()
|| baseballList.get(current) == null) {
return false;
}
else {
return true;
}
}
public Sports next() {
Sports baseball = baseballList.get(current);
++current;
return baseball;
}
}
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