| 1 | import javax.swing.*; |
| 2 | |
| 3 | public class Country { |
| 4 | private String name; |
| 5 | private String region; |
| 6 | private double lat; |
| 7 | private double lng; |
| 8 | private ImageIcon flag; |
| 9 | |
| 10 | public Country(String name, String region, double lat, double lng) { |
| 11 | setName(name); |
| 12 | setRegion(region); |
| 13 | setLat(lat); |
| 14 | setLng(lng); |
| 15 | } |
| 16 | |
| 17 | public void setName(String name) { |
| 18 | this.name = name; |
| 19 | } |
| 20 | |
| 21 | public String getName() { |
| 22 | return name; |
| 23 | } |
| 24 | |
| 25 | public void setRegion(String region) { |
| 26 | this.region = region; |
| 27 | } |
| 28 | |
| 29 | public void setLat(double lat) { |
| 30 | this.lat = lat; |
| 31 | } |
| 32 | |
| 33 | public double getLat() { |
| 34 | return lat; |
| 35 | } |
| 36 | |
| 37 | public void setLng(double lng) { |
| 38 | this.lng = lng; |
| 39 | } |
| 40 | |
| 41 | public double getLng() { |
| 42 | return lng; |
| 43 | } |
| 44 | |
| 45 | public int distanceTo(Country country) { |
| 46 | if ((this.lat == country.lat) && (this.lng == country.lng)) { |
| 47 | return 0; |
| 48 | } else { |
| 49 | double theta = this.lng - country.lng; |
| 50 | Double dist = Math.sin(Math.toRadians(this.lat)) * Math.sin(Math.toRadians(country.lat)) + Math.cos(Math.toRadians(this.lat)) * Math.cos(Math.toRadians(country.lat)) * Math.cos(Math.toRadians(theta)); |
| 51 | dist = Math.acos(dist); |
| 52 | dist = Math.toDegrees(dist); |
| 53 | dist = dist * 60 * 1.1515; |
| 54 | // Kilometers |
| 55 | dist = dist * 1.609344; |
| 56 | return dist.intValue(); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public String toString() { |
| 62 | return "Country{" + |
| 63 | "name='" + name + '\'' + |
| 64 | ", region='" + region + '\'' + |
| 65 | ", lat=" + lat + |
| 66 | ", lng=" + lng + |
| 67 | '}'; |
| 68 | } |
| 69 | } |