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  1. import java.util.Arrays;
  2.  
  3. class Ideone {
  4. 	public static void main (String[] args) {
  5. 		int[] a = {1,2,2,2,3,4,5,5};
  6.  
  7. 		Arrays.sort(a);
  8. 		boolean precIsEqual = false;
  9. 	    for (int i = 0; i < a.length - 1; i++) {
  10. 	    	boolean succIsEqual = a[i] == a[i+1];
  11. 	        if (!precIsEqual && succIsEqual) {
  12. 	            System.out.print(a[i] + " ");
  13. 	        }
  14. 	        precIsEqual = succIsEqual;
  15. 	    }
  16. 	}
  17. }
Success #stdin #stdout 0.04s 4386816KB
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Standard input is empty
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2 5
https://ideone.com/QtXsTg
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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