Barclays Assistant Vice President, IT interview questions

1 technical telephonic interview round by a java developer. 2 telephonic semi-technical interview round by team lead. 3 Video conference with Manager 4 Video conference Technical 5 Video conference with yet another Manager Below questions were asked - 1. What are your strengths / weakness 2. How would you manage Client expectation with Team's work life balance 3. Explain your project architecture Technical - 1. Difference between Arraylist vs LinkedList 2. Condition for equality of two objects 3. Hashmap - load factor 4. Fail fast iterators 5. Concurrent Hash Map, how does its iterator behave 6. Threads, Callable, Runnable