adding testing and finished arraylist methods

src/Main.java

@@ -1,5 +1,87 @@
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        //Constructor test
+        List<String> friends = new ArrayList<String>();
+
+        //testing size()
+        System.out.println("initial size is " + friends.size());
+
+        //testing isEmpty()
+        System.out.println("it is empty: " + friends.isEmpty());
+
+        //testing add(ItemType item)
+        friends.add("Jess");
+        friends.add("Tina");
+        friends.add("Josh");
+        friends.add("Susan");
+        friends.add("Tyler");
+        friends.add("Usman");
+        friends.add("Dee");
+        friends.add("Rose");
+        friends.add("Blanche");
+        friends.add("Dorothy");
+        friends.add("Sophia");
+        System.out.println("size is now " + friends.size());
+
+        //above: import java.util.iterator
+        //testing iterator
+        Iterator<String> itr = friends.iterator();
+        while(itr.hasNext()){
+            String name = itr.next();
+            System.out.println(name);
+        }
+
+        for(String name : friends){
+            System.out.println(name);
+        }
+
+        //testing add(int index, ItemType item)
+        friends.add(2, "Wednesday");
+        for(String name : friends){
+            System.out.println(name);
+        }
+
+        //testing indexOf
+        System.out.println(friends.indexOf("Wednesday"));
+
+        //testing contains
+        System.out.println(friends.contains("Wednesday"));
+
+        //testing remove(int index)
+        friends.remove(2);
+        for(String name : friends){
+            System.out.println(name);
+        }
+
+        //testing ItemType get(int index)
+        System.out.println(friends.get(0));
+
+        //testing set(int index, ItemType item)
+        friends.set(0, "Pugsley");
+        System.out.println(friends.get(0));
+
+        //testing clear()
+        friends.clear();
+        System.out.println(friends.isEmpty());
+
+        friends.add("Jess");
+        friends.add("Tina");
+        friends.add("Josh");
+        friends.add("Susan");
+        friends.add("Tyler");
+        friends.add("Usman");
+
+        //testing remove(itemType item)
+        friends.remove("Susan");
+        for(String name : friends){
+            System.out.println(name);
+        }
+
+
+
     }
 }