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1. Difference between final, finally, finalize ?

2. Differences between String and StringBuffer ?

3. Difference between "== operator" and "equals() method" in java ?

4. What are the various modifiers available in java ?

5. Difference between StringBuffer and StringBuilder ?

6. String vs StringBuffer vs StringBuilder?

7. Interface vs abstract class vs concrete class ?

8. Access Specifiers vs Access Modifiers ?

9. Difference between Interface and Absract Class ?

10. Explain about System.out.println(); ?

11. Explain about public static void main(String[] args); ( PART- I ) ?

12. Explain about public static void main(String[] args); ( PART- II ) ?

13. Explain about public static void main(String[] args); ( PART- III ) ?

14. Difference between Overloading and Overriding (part-I) ?

15. Difference between Overloading and Overriding (part-II) ?

16. Difference between Parent p = new Child(); and Child c = new Child(); ?

17. various possible combinations of try catch finally?

18. Difference between Exception and Error ?

19. Difference between Checked exceptions and Unchecked exceptions ?

20. Differences between fully checked exceptions and partially checked exceptions ?

21. Control flow in try - catch ( Java Exception Handling)?

22. Control flow in try catch finally (Java Exception Handling) ?

23. Difference between Arrays and Collections?

24. Difference between List and Set?

25. Difference between Collection and Collections?

26. Differences between ArrayList and Vector?

27. Differences between ArrayList and LinkedList?

28. How to get Synchronized version of ArrayList?

29. Comparison of the three Cursors of Java?

30. Differences between Comparable and Comparator?

31. JVM Architecture?

32. Thread Lifecycle?