CISC370, Summer 2006, Quiz 2 (Total 20 pts +1 bonus)
	06/27/2006     TA: Ke Li

1. 3 pts
	- each blank	1 pt

2. 3 pts
	- customized 
	- printing 

3. 3 pts
	- shallow copy OK for primitives fields 
	- Need deep copy for pointer fields

4. 2 pts
	- 2 out of "Map", "Set" and "List"

5. 4 pts + 1 bonus pt
	- part a: generic Collections		2 pt
	  -- same collection handles any type
	     use term "polymophism"		+1pt 
	  -- multiple types in one collection
	- part b: declare type in Collections	2 pt
	  -- compiler type check 
	  -- no need cast, simplify code 

6. 3 pts
	- flexibility			
	  -- can change implemt w/o affecting other code	

7. 2 pts
	- Comparable: default sorting mechanism
	- Comparator: special case of sorting
	  -- no direct access to class
	  -- no change default sorting behavior