Print sorted distinct elements of array | Java program to print sorted distinct elements . ; Create a set using array elements ; Print contents of the set . ; Driver code
import java . io . * ; import java . util . * ; public class GFG { static void printRepeating ( Integer [ ] arr , int size ) { SortedSet < Integer > s = new TreeSet < > ( ) ; Collections . addAll ( s , arr ) ; System . out . print ( s ) ; } public static void main ( String args [ ] ) { Integer [ ] arr = { 1 , 3 , 2 , 2 , 1 } ; int n = arr . length ; printRepeating ( arr , n ) ; } }