Top Java Interview Questions and Answers for Beginners Part 2 | Java Interview Question Answers

Why is HashMap faster than Hashtable?
What is the difference between ArrayList and LinkedList?
What is the difference between Comparable and Comparator?
What is the difference between checked and unchecked exceptions?
What is the difference between HashMap and ConcurrentHashMap?
What is the difference between interface and abstract class?
What is the difference between fail-fast and fail-safe iterators?
What is the difference between final finally and finalize?
What is the difference between String StringBuilder and StringBuffer?
What is the difference between stack and heap memory?
What is the difference between throw and throws?
What is the difference between deep copy and shallow copy?
What is the difference between static and instance variables?

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