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Interview questions on General.
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1. What is the Java Collections Framework, and what are its main interfaces?
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2. 12. How does the Iterator interface work? What is the difference between Iterator and ListIterator?
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3. What is the difference between Enumeration and Iterator?
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4. How do microservices communicate with each other?
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5. How can you remove duplicate elements from a List?
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6. How can you synchronize a Collection manually?
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7. How do you map your request data to entities while saving to DB? What kind of mapper are you using?
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8. Which Java version are you using? Tell me some features of that Java version
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9. Have you ever worked on performance tuning or memory management? Describe a use-case
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10. What is GC? How does it work? Have you tuned GC in your application?
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