+import java.util.Comparator;
-public class Size {
+public class Size implements Comparable<Size> {
private int max = 240;
private int min = 20;
private int size;
private boolean validateSize(int size) {
return (size > max || size < min);
}
+
+ @Override
+ public int compareTo(Size size) {
+ return 0;
+ }
}