[2 point] Java's ArrayList remove(int index) is used for removing an element at the specified index from a list. It removes the element from the ArrayList, moves all the other elements up one position, and returns the element removed. With that in mind, what will be displayed by the following code? List list = new ArrayList (); list.add("A"); list.add("B"); list.add("C"); list.add("D"); for (int i = 0; i < list.size(); i++) System.out.print (list.remove(i)); A. ABCD B. AB C. AC D. AD 3. [2 point] What is an interface? A. An interface is a collection of constants and method declarations. B. An interface is exactly the same as a Java class. C. An interface is something that is used by saying "public class Henway uses Doable". D. An interface is the collection of public methods of any class. 4. [2 points] Look at the following interface. Is the interface correct? interface Test { int year = 1; double calculate(); } A. No because it contains a variable and interfaces cannot contain variables. B. No because the interface cannot contain a method that returns a value. C. Yes-year will automatically be a constant since it is in an interface. D. Yes the method body will automatically be filled in.