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Software Architecture interview questions

Builder Pattern, Observer Pattern, Pattern Abuse

60 questions with answers and explanations · 60 flashcards

Questions (page 2 of 2)

  1. If you need to implement the Observer Pattern from scratch in Java, what should be the first step?Multiple choiceHard
  2. In the context of reducing abstraction in an e-commerce application's class hierarchy, which design pattern can help simplify creation of instances without…Multiple choiceMedium
  3. Why can using the Observer Pattern in a system become a problem in practice?Multiple choiceMedium
  4. Which interface in Java is commonly used to implement the Observer Pattern?Multiple choiceEasy
  5. In the context of an e-commerce platform, a developer uses an AbstractSingletonProxyFactoryBean to manage database connections. What pattern misuse does this…Multiple choiceHard
  6. Which design pattern would you use in combination with the Builder pattern to manage the creation of different types of builders?Multiple choiceMedium
  7. What principle suggests that functionality should not be added until it is necessary?Multiple choiceMedium
  8. In a Builder pattern implementation, how can you ensure that an object is not constructed in an invalid state?Multiple choiceMedium
  9. Which method is commonly overridden by observers in the Observer Pattern to receive updates in Java?Multiple choiceEasy
  10. In what scenario would using the Builder pattern be beneficial?Multiple choiceEasy