// Erika Wolfe, CSE 143
// Class that shows off different ways to iterate over a list
import java.util.*;

public class IteratingExample {
    public static void main(String[] args) {
        List<String> tas = new ArrayList<String>();
        tas.add("Shanti");
        tas.add("Melissa");
        tas.add("Josh");
        tas.add("Jason");
        tas.add("Suzanne");
        tas.add("Isaac");
        tas.add("BEN");
        
        System.out.println(tas);
        
        for (int i = 0; i < tas.size(); i++) {
            System.out.println(tas.get(i));
        }
        System.out.println();
        
        for (String ta : tas) {
            System.out.println(ta);
        }
        System.out.println();
        
        // The for each loop is readable and convenient, and 
        // provides a way to iterate over a non-indexed structure
        // (like a Set).  Modification is not allowed within the 
        // structure - a ConcurrentModificationException will be 
        // thrown.  Another way to iterate is to use an Iterator,
        // which allows for modification.  (See SetExample).
        Iterator<String> itr = tas.iterator();
        while (itr.hasNext()) {
            System.out.println(itr.next());
        }
        
        itr = tas.iterator();
    }
}