Round1: F2F 1. Brief About myself. 2. What is the difference between HashMap, Hashtable and ConcurrentHashMap? 3. How's HashMap internally implemented? 4. How's key method overridden? 5. How will you kill a process? 6. How will you check a process is running on a server? 7. How will you see the updating logs? 8. How does Garbage Collection Work in Java?
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tell me a time when you learned a new skill and applied it later
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