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  1. import java.util.Arrays;
  2. import java.util.Comparator;
  3.  
  4. class SortByComparator
  5. {
  6. 	static class Item{
  7. 		String name;
  8. 		int birth;
  9. 		Item(String n, int b){
  10. 			name = n;
  11. 			birth = b;
  12. 		}
  13. 		public String toString(){
  14. 			return "["+name+", "+birth+"]";
  15. 		}
  16. 	}
  17.  
  18. 	public static void main (String[] args) throws java.lang.Exception
  19. 	{
  20. 		Item chopin = new Item("Chopin", 1810);
  21. 		Item mozart = new Item("Mozart", 1756);
  22. 		Item beethoven = new Item("Beethoven", 1770);
  23. 		Item[] items = new Item[]{chopin, mozart, beethoven};
  24.  
  25. 		Comparator<Item> c = new Comparator<Item>(){
  26. 			public int compare(Item a, Item b){
  27. 				return a.birth - b.birth;
  28. 			}
  29. 		};
  30.  
  31. 		Arrays.sort(items, c);
  32.  
  33. 		for(Item it:items)
  34. 			System.out.println(it);
  35. 	}
  36. }
Success #stdin #stdout 0.1s 320512KB
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[Mozart, 1756]
[Beethoven, 1770]
[Chopin, 1810]
https://ideone.com/0cGbjv
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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