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  1. import java.util.Arrays;
  2. import java.util.Collections;
  3. import java.util.List;
  4.  
  5.  
  6. public class Main {
  7.     public static void main(String[] args) {
  8.  
  9.         List<Unit> units = Arrays.asList(new Unit(1), new Unit(2), new Unit(3), new Unit(Integer.MIN_VALUE));
  10.  
  11.     	Collections.sort(units);
  12.  
  13.     	System.out.println(units);
  14.     }
  15.  
  16.     static class Unit implements Comparable<Unit> {
  17.     	int id;
  18.  
  19. 		public Unit(int id) {
  20. 			this.id = id;
  21. 		}
  22.  
  23. 		@Override
  24. 		public int compareTo(Unit o) {
  25. 			return id - o.id;
  26. 		}
  27.  
  28. 		@Override
  29. 		public String toString() {
  30. 			return "" + id;
  31. 		}
  32.     }
  33. }
Success #stdin #stdout 0.06s 380224KB
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[1, 2, 3, -2147483648]
https://ideone.com/u6iom3
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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