1. Could you provide a program that identifies and prints duplicate numbers from a given array?
2. What is a copy constructor in Java, and how is it used?
3. What are the different types of constructors available in Java?
4. How do you approach parallel testing in your projects?
5. How do you manage test data in your testing processes? Which tools do you utilize, such as Apache POI?
6. What does the “Background” keyword signify in Cucumber?
7. Can you explain the concept of hooks in Cucumber?
8. What is the difference between instance variables and local variables in Java?
9. How does an interface differ from an abstract class in Java?
10. Is multiple inheritance possible with two abstract classes in Java?
11. Is multiple inheritance achievable through interfaces in Java?
12. Can an abstract class inherit or implement an interface?
13. Can an interface inherit or implement an abstract class?
14. What is a thread in the context of programming?
15. What are the differences between the `notify()` and `notifyAll()` methods in Java?
