1. What are the different collections you used?
2. What is an arraylist?
3. How can we make any arraylist synchronized?
4. Can we use an object as the key in a hashmap? If yes, how?
5. What is throws and throw?
6. try catch finally code and output
7. How can we throw user defined exception from a catch block?
8. Stack and heap…
9. Class loading?
10. Noclassdeffounderror and classnotfoundexception
11. How can we sort an arraylist
12. Design patterns
13. JMS connectionfactories and destinations
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