java developer interview questions

Here are some common interview questions that might be asked of a Java developer:

1. Can you explain the Java concept of "Write once, run anywhere"?
2. What is the difference between an interface and an abstract class?
3. What is the difference between a constructor and a method?
4. Can you explain the difference between a static and a non-static method?
5. What is polymorphism and how is it implemented in Java?
6. Can you explain the difference between an array and an ArrayList?
7. How do you handle exceptions in Java?
8. Can you explain the difference between a HashMap and a Hashtable?
9. Can you explain the difference between a stack and a queue?
10. What are the different types of access modifiers in Java and what do they mean?

These questions are meant to test your knowledge of basic Java concepts, as well as your problem-solving and critical thinking skills. It's important to be able to explain your answers clearly and concisely.

Other questions that might be asked in a Java developer interview include questions about your experience with specific Java frameworks or libraries, your understanding of design patterns, and your experience with agile development methodologies. Be prepared to discuss your past projects and experiences, as well as your ability to work as part of a team.