Amazon Java Developer Mock Interview

To help you prepare for a Java Developer interview at Amazon, here are 20 interview questions and answer examples.

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Question 1 of 20

Tell me about the Java Reflection API?

As the interview progresses, the technical questions will become more difficult. This indicates that the Amazon interviewer is gaining confidence in your qualifications and is willing to explore your background in more depth. Continue to answer the questions, in the same manner, keeping your answers brief and to the point. While interviewing with Amazon for a Java Developer's position, you will be asked many questions about APIs, such as SOAP API or REST API. Make sure you review these so you'll be prepared to answer the questions.

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Amazon Java Developer Interview Questions & Answers

  • 1. Tell me about the Java Reflection API?

  • 2. What are some examples of JDBC drivers you would use when programming applications for Amazon?

  • 3. Please describe the JDBC API and discuss how it is used?

  • 4. When programming in Java, can you have an empty catch block?

  • 5. How does an OutOfMemoryError impact a program written in Java, and how can this be corrected?

  • 6. Please define a CountDownLatch in the context of Java?

  • 7. Talk about what a Java timer class is and how you schedule a task to run after a specific interval?

  • 8. Can you discuss the differences between a user and a daemon thread?

  • 9. Can you tell me what a Compare and Swap algorithm is and how you use it when coding in Java?

  • 10. What is a marker interface, and how do you use it when writing Java code for the Amazon environment?

  • 11. Since many Amazon applications are developed using Java. can you tell me what the key elements of the Java programming language are ?

  • 12. What is Composition, as used in Java?

  • 13. Amazon application developers usually write their programs using Java. Can you describe how access modifiers are used in Java?

  • 14. Can you discuss what a static import is and what the pitfalls of using this are?

  • 15. How is a volatile keyword used in Java?

  • 16. Can you define the final keyword in Java?

  • 17. In your opinion, Is Java Pass By Value or Pass By Reference?

  • 18. How is Enum used in Java?

  • 19. Can you discuss the importance of the main() method in Java?

  • 20. Within Java, what are the differences between Path and Classpath variables?