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  1. import java.util.*;
  2.  
  3. class Ideone {
  4.  
  5. 	public static void main (String[] args)	{
  6. 		add(new Player("Vova"));
  7. 		add(new YourEX("Vika"));
  8. 		add(new YourEX("Masha"));
  9. 		add(new YourEX("Dasha"));
  10. 		add(new Player("Pasha"));
  11. 		add(new Player("Petya"));
  12. 	}
  13.  
  14. 	private static void add(StaticEntity s) {
  15. 		System.out.print(s.getName());
  16. 		System.out.println(" is Static");
  17. 	}
  18.  
  19. 	private static void add(DynamicEntity entity) {
  20. 		System.out.print(entity.getName());
  21. 		System.out.println(" is Dynamic");
  22. 	}
  23.  
  24. 	interface Entity {
  25. 		String getName();
  26. 	}
  27. 	interface StaticEntity extends Entity {}
  28. 	interface DynamicEntity extends Entity {}
  29.  
  30. 	static class BaseEntity implements Entity {
  31.  
  32. 		private final String name;
  33.  
  34. 		public BaseEntity(String name) {
  35. 			this.name = name;
  36. 		}
  37.  
  38. 		@Override
  39. 		public String getName() {
  40. 			return name;
  41. 		}
  42. 	}
  43.  
  44. 	static class Player extends BaseEntity implements DynamicEntity {
  45.  
  46. 		public Player(String name) {
  47. 			super(name);
  48. 		}
  49. 	}
  50.  
  51. 	static class YourEX extends BaseEntity implements StaticEntity {
  52.  
  53. 		public YourEX(String name) {
  54. 			super(name);
  55. 		}
  56. 	}
  57. }
Success #stdin #stdout 0.07s 2841600KB
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Vova is Dynamic
Vika is Static
Masha is Static
Dasha is Static
Pasha is Dynamic
Petya is Dynamic
https://ideone.com/VKkBTI
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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