By Javin_Paul
Along with, multi-threading and design patterns, Collection framework is one of the most popular topic among Java interviews. No matter how much experience you have, if you are going for a development position, you are bound to be asked some questions from Collection framework and their flagship classes e.g. Hashtable, ArrayList, HashMap, ConcurrentHashMap, Vector, HashSet , BlockingQueue etc. This list include 10 of such questions from various Java interviews.