Dell Java Interview Questions

1. What's Generics?
2. What's the use of Generics Frameworks?
3. What's the use of Generic Class and Methods?
4. What's Java collection?
5. What are the Advantage of Collection?
6. Explain Different types of collection?
7. Explain HashMap internal mechanism?
8. Explain Set internal mechanism?
9. Explain Equals and Hashcode internal mechanism?
10. How to store duplicate value in HashSet?
11. What is marker interface and use of the marker interface?
12. What's Object Serialization?
13. What's the use of serialVersionUid?
14. What is design pattern?
15. What are the different types of design patterns are available in Java?
16. How to create singleton design pattern?
17. How to use Generics in Factory design pattern?
18. How to use same singleton instance in different JVM?
19. What's the difference between Comparator and Comparable?
20. What's the difference between Association, Aggregation and Composition?
21. What's Object Cloning?

     

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