Frequently asked Java Interview Questions | Top 50+ Java interview Questions | Java Interview

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Are you preparing for a Java interview? In this video, we cover the Top 10 Frequently Asked Java Interview Questions to help you ace your interview! From core concepts to advanced topics, we’ve got you covered with clear explanations and examples.

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1. What is Deadlock in Java?
2. How Deadlock Occurs?
3. What are Symptoms of Deadlock in Java?
4. What are ways of Detection of Deadlock in Java?
5. What are ways to resolve Deadlock situation in Java?
6. How to Prevent Deadlock situation in Java?
7. What is Sleep() method in Java?
8. What are common use cases of Sleep() method in Java?
9. What are the important consideration/Precaution of Sleep() method in Java?
10. What is Wait() method in Java?
11. What are important consideration/Precaution of Wait() method in Java?
12. What are common use cases of Wait() method in Java?
13. What is HashMap in Java?
14. What are key feature or characteristic of HashMap in Java?
15. What is Hash table in Java?
16. What are key feature or characteristic of Hash table in Java?
17. What are the difference between HashMap & Hash table in Java?
18. What is Encapsulation in Java?
19. What are the benefits of Encapsulation?
20. What is Runnable Interface in Java?
21. What are the Key feature of Runnable Interface?
22. What to implement the Runnable Interface in Java?
23. What are the benefit of using Runnable Interface in Java?
24. What is Synchronization in Java? What are key feature of that?
25. What are Access methods in Java?
26. What are the different types of Access method in Java?
27. What is Public Access method in Java?
28. What is Private Access method in Java?
29. What is Prohibited Access method in Java?
30. What is Default Access method in Java?
31. What is Collections in Java?
32. What are the key components of Collections in Java?
33. What are the key benefits of Collection framework in Java?
34. What are benefits of Collections in Java?
35. What are common implementation of Collections in Java?
36. What is Final Keyword in Java?
37. What is Final variable in Java?
38. What is Final method in Java?
39. What is Final class in Java?
40. What are the benefits of Final keyword in Java?
41. What is Finally block in Java?
42. What is the Structure of Finally block?
43. What are the key feature of Finally Block in Java?
44. What are the Use cases of Finally block in Java?
45. What is Inheritance in Java?
46. What are the Key characteristic of inheritance?
47. What are different types of inheritance in Java?
48. What is Interface in Java?
49. What are key features of Interfaces in Java?
50. What is Polymorphism in Java?
51. What are different types of Polymorphism in Java?
52. What is Static methods in Java?
53. What is Threading in Java?
54. What are key features of Threading in Java?
55. What are life cycles of Threading?
56. How to create Thread in Java?
57. What is Thread Synchronization?
58. What is multi threading in Java?
59. What are the disadvantage of Threading

Whether you're a fresh graduate or an experienced developer, these questions are essential to understand the Java ecosystem and demonstrate your expertise to potential employers.

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