1 /**
2 A country with a name and area.
3 */
4 public class Country implements Comparable
5 {
6 private String name;
7 private double area;
8
9 /**
10 Constructs a country.
11 @param aName the name of the country
12 @param anArea the area of the country
13 */
14 public Country(String aName, double anArea)
15 {
16 name = aName;
17 area = anArea;
18 }
19
20 /**
21 Gets the country name.
22 @return the name
23 */
24 public String getName()
25 {
26 return name;
27 }
28
29 /**
30 Gets the area of the country.
31 @return the area
32 */
33 public double getArea()
34 {
35 return area;
36 }
37
38 public int compareTo(Object otherObject)
39 {
40 Country other = (Country) otherObject;
41 if (area < other.area) { return -1; }
42 else if (area == other.area) { return 0; }
43 else { return 1; }
44 }
45
46 public String toString()
47 {
48 return getClass().getName() + "[name=" + name
49 + ",area=" + area + "]";
50 }
51 }