import java.util.*;
public class MyClass {
public static void main(String args[]) {
Integer arr[] = {5, 2, 1, 3, 7, 1, 5, 9, 3, 3, 3};
Set<Integer> set = new HashSet<>(Arrays.asList(arr));
for (Integer n : set)
System.out.printf("%d ", n);
}
}
/*
run:
1 2 3 5 7 9
*/