1. Verbal test: a) What's the difference between StringBuffer and StringBuilder b) What's the diff between a linkedList and arrayList? When would you use each? 2. Language Quiz -Strings a="hello"; b="hello"; c=new String("hello"); d=c; e=new String("hello"); Tell me the result a) a==b b)a.equals(b) c)a==c d)c==d e)c.equals d f) c==e g)c.equals e 3. Code time!!! program a method that returns an inOrder Arraylist of the nodes in a tree public ArrayList<Integer> inOrder(Node root);