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Engineering Interviews interview questions

Code Review (Spotting Bugs), JVM Trivia, Live Coding Strategy, The STAR Framework

91 questions with answers and explanations · 89 flashcards

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Questions (page 1 of 2)

  1. When transitioning to a Senior Engineer role, which trait is most critical for mentoring junior developers?Multiple choiceHard
  2. In the context of JVM memory architecture, what is the primary role of the 'stack'?Multiple choiceEasy
  3. Why is it important to first outline a high-level design before diving into coding during a system design interview?Multiple choiceEasy
  4. During a live coding interview, why is it important to verbalize your thought process?Multiple choiceHard
  5. What does the 'Result' component in the STAR framework mainly aim to achieve?Multiple choiceEasy
  6. Why is it crucial to agree on an algorithm before writing code in a live coding interview?Multiple choiceEasy
  7. In a code review, which type of bug is most critical to address immediately?Multiple choiceMedium
  8. How would you explain a major disadvantage of using a monolithic architecture for a large-scale e-commerce project in an interview?Multiple choiceHard
  9. During a code review, you notice a method that handles user authentication without input validation. What is the main risk?Multiple choiceHard
  10. During a system design interview, how should you initially approach the problem?Multiple choiceMedium
  11. In the STAR framework for communication, what does 'R' stand for?Multiple choiceEasy
  12. In a live coding interview, why is it beneficial to start with a brute force solution?Multiple choiceEasy
  13. How would you explain a key characteristic of the STAR framework used in interviews in an interview?Multiple choiceMedium
  14. Which JVM feature is critical for optimizing Java application performance?Multiple choiceMedium
  15. In the context of Java memory management, what is the primary role of the Survivor spaces?Multiple choiceMedium
  16. In Java, what is the role of the 'finalize()' method?Multiple choiceEasy
  17. Which JVM aspect primarily affects the performance of a Java application?Multiple choiceEasy
  18. How would you explain a severe bug in this code regarding resource management in an interview?Multiple choiceHard
  19. Which strategy should be used to effectively communicate during the STAR framework in an interview?Multiple choiceMedium
  20. How would you explain a key consideration when identifying severe bugs during a code review in an interview?Multiple choiceMedium
  21. In the STAR framework, which component focuses on the explanation of what you were tasked to achieve?Multiple choiceEasy
  22. Which is the best approach when explaining your code solution during a live coding interview?Multiple choiceMedium
  23. How would you explain an effective strategy for communicating your thought process during a live coding interview in an interview?Multiple choiceMedium
  24. Why is it useful to clarifying requirements in a system design interview?Multiple choiceEasy
  25. How can you ensure a class is immutable in Java?Multiple choiceMedium
  26. Which concurrency issue could arise from the following code snippet?Multiple choiceMedium
  27. Why is spawning new threads directly inside a Java controller considered a bad practice?Multiple choiceMedium
  28. In a code review, how would you identify a potential deadlock situation in multi-threaded code?Multiple choiceHard
  29. Which of the following is the best practice for handling exceptions in a Java application?Multiple choiceEasy
  30. Why do teams use an Interface over an Abstract Class in Java in production code?Multiple choiceEasy
  31. Why might a developer choose to use NoSQL over SQL when architecting a system?Multiple choiceHard
  32. How does Java's garbage collector manage memory for short-lived objects?Multiple choiceEasy
  33. In a live coding interview, how can you manually trace code effectively with sample inputs?Multiple choiceHard
  34. In the STAR framework, which component focuses on explaining the specific steps you took to address a problem?Multiple choiceEasy
  35. Which Java feature helps prevent race conditions in a multi-threaded application?Multiple choiceMedium
  36. Why is it important for Java Strings to be immutable?Multiple choiceMedium
  37. Which is a characteristic of a good system design in terms of scalability?Multiple choiceMedium
  38. How would you explain an important consideration when designing a system for high availability in an interview?Multiple choiceHard
  39. Which space in the Java memory model is primarily used for short-lived objects?Multiple choiceMedium
  40. In a code review, you spot a method that directly calls 'Thread.sleep()' inside a synchronized block. Why is this a potential issue?Multiple choiceHard
  41. In the context of memory management, what is a memory leak?Multiple choiceMedium
  42. In a multi-threaded environment, which of the following is a potential issue when using HashMap?Multiple choiceMedium
  43. How does defining a slow, brute force baseline help in defending tradeoffs between SQL and NoSQL?Multiple choiceMedium
  44. When outlining a system design, why is it crucial to understand the tradeoffs of using SQL vs. NoSQL databases?Multiple choiceHard
  45. Which Java language feature ensures that a volatile variable is visible across threads?Multiple choiceMedium
  46. How should you communicate your approach during a live coding interview?Multiple choiceMedium
  47. How does Java ensure that String objects are immutable?Multiple choiceMedium
  48. In Java, what is the role of the finalize() method?Multiple choiceMedium
  49. Which finding should usually block approval more urgently than style cleanup?Multiple choiceEasy
  50. Why can a 'Stop-The-World' garbage collection event become a problem in production code?Multiple choiceHard