import java.util.*; public class SetDemo { public static void main(String args[]) { int count[]={34, 22,10,60,30,22}; Set set = new HashSet(); try{ for(int i=0; i<5; i++){ set.add(count[i]); } System.out.println(set); TreeSet sortedSet=new TreeSet(set); System.out.println("The sorted list is:"); System.out.println(sortedSet); System.out.println("The First element of the set is: "+ (Integer)sortedSet.first()); System.out.println("The last element of the set is: "+ (Integer)sortedSet.last()); } catch(Exception e){} } }