import java.util.*;

public class ArrayListManipulation {
  public static void main(String []args) {
    Random rand = new Random(new Date().getTime());
    ArrayList<String> list = new ArrayList<String>();
    System.out.println("Enter words (max 10):");
    Scanner sc = new Scanner(System.in);
    for(int i=0; i<10; i++) {
      list.add(sc.next());      
    }
    System.out.println("1. "+ArrayList2String1(list));
    Collections.sort(list);
    System.out.println("2. "+ArrayList2String2(list));
    System.out.println("3. "+ArrayList2String3(list));
  }
  
  public static String ArrayList2String1(ArrayList<String> list) {
    String str = "";
    for(int i=0; i<list.size(); i++)
      str += list.get(i) + "   ";
    return str;
  }
  
  public static String ArrayList2String2(ArrayList<String> list) {
    String str = "";
    for(String e : list)
      str += e + "   ";
    return str;
  }
  
  public static String ArrayList2String3(ArrayList<String> list) {
    String str = "";
    Iterator it = list.iterator();
    while(it.hasNext())
      str += it.next()+"   ";
    return str;
  }
}