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Interview questions on General.
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1. Difference between Abstract Class and Base Class?
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2. How many objects will be created using a string literal?
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3. Have you heard about Marker Interfaces?
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4. Difference between Abstract Class and Functional Interface?
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5. What’s the difference between throw and throws?
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6. What is rehashing?
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7. What are the criteria for Hashmap keys?
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8. Can String or String builder or primitive integer or wrapper class be a hashmap key?
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9. What is fail-fast and fail-safe in collections?
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10. You have a string builder as a hashmap key, now you appended the string builder. What will be value of the string builder with the get object?
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