If you are working on a highly concurrent system that uses many synchronized methods, and you notice that the application is facing performance issues, how might you optimize the application while maintaining thread safety?

  • Disable thread safety mechanisms to boost performance, relying on careful coding to prevent issues.
  • Implement custom synchronization mechanisms to fine-tune thread access to critical sections.
  • Increase the number of synchronized methods to reduce contention and improve performance.
  • Replace synchronized methods with java.util.concurrent classes and techniques like ConcurrentHashMap, ConcurrentLinkedQueue, and java.util.concurrent.locks.
In a highly concurrent system facing performance issues, it's better to replace synchronized methods with specialized classes and techniques from java.util.concurrent. These classes are designed to handle concurrency efficiently. Increasing synchronized methods may worsen contention. Disabling thread safety is not advisable, and implementing custom synchronization mechanisms can be error-prone and complex.
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