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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	static class Item{
  11. 		String name;
  12. 		int birth;
  13. 		Item(String n, int b){
  14. 			name = n;
  15. 			birth = b;
  16. 		}
  17. 		public String toString(){
  18. 			return "["+name+", "+birth+"]";
  19. 		}
  20. 	}
  21.  
  22. 	public static void main (String[] args) throws java.lang.Exception
  23. 	{
  24. 		Item chopin = new Item("Chopin", 1810);
  25. 		Item mozart = new Item("Mozart", 1756);
  26. 		Item beethoven = new Item("Beethoven", 1770);
  27. 		Item[] items = new Item[]{chopin, mozart, beethoven};
  28.  
  29. 		Arrays.sort(items, new Comparator<Item>(){
  30. 			public int compare(Item a, Item b){
  31. 				return a.birth - b.birth;
  32. 			}
  33. 		});
  34.  
  35. 		for(Item it:items)
  36. 			System.out.println(it);
  37. 	}
  38. }
Success #stdin #stdout 0.08s 380160KB
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Standard input is empty
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[Mozart, 1756]
[Beethoven, 1770]
[Chopin, 1810]
https://ideone.com/gqNVEH
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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