How can one ensure that a particular section of code does not have concurrent access by multiple threads?

  • Use ReentrantLock from java.util.concurrent package.
  • Use Thread.sleep() to create delays.
  • Use synchronized keyword on the method.
  • Use volatile keyword for variables.
To ensure that a particular section of code does not have concurrent access by multiple threads, you can use the ReentrantLock class from the java.util.concurrent package. This allows you to create a lock that multiple threads can use to synchronize access to a critical section of code. Unlike synchronized methods, it provides more fine-grained control over locking.
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