JAVA Multithreading Online Test

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Instructions:

  • Total number of questions: 10.
  • Time allotted: 10 minutes.
  • Each question carries 1 mark.
  • No negative marks.
  • DO NOT refresh the page.
  • All the best :-)

What You Will Learn:

This Java Multithreading & Concurrency Online Test helps you to Boost your Knowledge in Java. In this test, we cover topics in the form of questions like:
  • Creating threads: extending java.lang.Thread vs implementing java.lang.Runnable.
  • Asynchronous thread launching via start() vs sequential method execution via run().
  • Thread lifecycle states: NEW, RUNNABLE, BLOCKED, WAITING, TIMED_WAITING, and TERMINATED.
  • Thread synchronization using the synchronized keyword to guard critical sections.
  • Understanding deadlocks, race conditions, and memory visibility with the volatile modifier.
  • Inter-thread coordination using wait(), notify(), and notifyAll() on java.lang.Object.
  • User threads vs Daemon threads and advantages of ExecutorService thread pools.

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