package javax.util.collections;
import java.util.List;
public class CollectionUtils {
private CollectionUtils() {
}
/**
* Compares two lists lexicographically that contain comparable elements.
*/
public static <T extends Comparable<? super T>> int compare(List<T> list1, List<T> list2) {
int size1 = list1.size();
int size2 = list2.size();
int minSize = Math.min(size1, size2);
for (int i = 0; i < minSize; i++) {
int difference = list1.get(i).compareTo(list2.get(i));
if (difference != 0) {
return difference;
}
}
if (size1 == size2) {
return 0;
} else {
return size1 - size2;
}
}
}