Java Modifiers: Volatile & Synchronized


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question 1 of 3

Which of these is a use case for 'volatile'?

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1. Which methods or fields provide a thread-safe lock in the following code?

2. Why would you need locking in a multithreaded Java application?

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About This Quiz & Worksheet

Answer interactive quiz questions on volatile and synchronized Java modifiers with this worksheet/quiz. Topics to be assessed on the quiz include a use case for 'volatile' and a thread-safe lock in a given code.

Quiz & Worksheet Goals

You'll be quizzed on:

  • What is needed in a multithreaded Java application
  • A keyword needed for adding to the number of enemies in a multiuser game written in Java
  • An atomic operation

Skills Practiced

  • Information recall - access the knowledge you've gained regarding an operation that is considered atomic
  • Reading comprehension - ensure that you draw the most important information from the related lesson on volatile and synchronized Java modifiers
  • Knowledge application - use your knowledge to answer questions about a multithreaded Java application and a code with a thread-safe lock written into it

Additional Learning

For more on Java, review the lesson named Java Modifiers: Volatile & Synchronized. The following study points will be considered for your benefit:

  • Multithreading in Java
  • What a thread is
  • How to define a 'lock'
  • The 'run' method and how it's invoked