Add an ArrayList of persons to the Person class.
[Persons_Comparator.git] / src / Weight.java
1 public class Weight implements Comparable<Weight> {
2 private int weight;
3
4 Weight() {
5 }
6
7 Weight(int weight) {
8 setWeight(weight);
9 }
10
11 public int getWeight() {
12 return weight;
13 }
14
15 public void setWeight(int weight) {
16 if (validateWeight(weight)) {
17 this.weight = weight;
18 } else {
19 throw new IllegalArgumentException("Weight cannot be negative or zero");
20 }
21 }
22
23 private boolean validateWeight(int weight) {
24 return (weight > 0);
25 }
26
27 @Override
28 public int compareTo(Weight weight) {
29 int distance = weight.weight - this.getWeight();
30 if (distance >= 0)
31 return distance;
32 else
33 return -distance;
34 }
35 }