package javatemplate1;
import java.util.Arrays;
import java.util.List;
 import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
 public class JavaTemplate1 {
     // example of 
          public static void main(String[] args)  {
        System.out.println("main block executing");
        String[] str1 = {"A","B", "C", "A", "CAN"};
        System.out.println("Sting (Arrays):: needs Iteration");
        for(String a :str1)
        {            System.out.print(a + " ");        }
        System.out.println();
        System.out.println("Set Collection:: eleminates duplicates");
        Set<String> set1 = Arrays.asList(str1).stream()
                .collect(Collectors.toSet());
        System.out.println(set1);
        List< String > list = Arrays.asList(str1);
        System.out.println("Print List:: may contian duplicate elements");
        System.out.println(list);
        System.out.println("TreeSet:: eliminates duplicates");
        TreeSet<String> tset1 = new TreeSet<String>(list); 
        System.out.println(tset1);
        Set<String> set2 = new TreeSet<String>(list);
         System.out.println(set2);
        // Set<String> set3 = new Set<String>(list);
         //Set is an Abstract, can't use new
  System.out.println();
 }
 }