CIS1068
FIVE MINUTE TEST #6
March 30, 2010


(5)    1. What is wrong with the declaration
		ArrayList<int> a = new ArrayList<int>(); 






(5)    2. Is the assignment  Integer x = 5; legal?
	  Explain why it is/not







(10)     3. Create an ArrayList with as elements "rose", "ann", "jim"





(10)	4. Write the method 
		public static String foo(ArrayList<String> a)
	   which returns the concatenation of the strings in a.
	   For example, foo applied to the arra list in problem 3
	   returns "roseannjim".