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    <p>I have gathered a list of interesting links that will shed some light on the differences. </p> <p>First, be aware that the nomenclature concerning locks/synchronized/monitors is <em>messed up</em> and people (sometimes) use these terms interchangeably. </p> <p>Second, the links below are <em>not</em> ordered by importance/relevance/clarity </p> <ul> <li><a href="http://www.artima.com/insidejvm/ed2/threadsynchP.html" rel="nofollow noreferrer">http://www.artima.com/insidejvm/ed2/threadsynchP.html</a></li> <li><a href="http://docs.oracle.com/javase/tutorial/essential/concurrency/locksync.html" rel="nofollow noreferrer">http://docs.oracle.com/javase/tutorial/essential/concurrency/locksync.html</a></li> <li><a href="https://stackoverflow.com/questions/9848616/whats-the-meaning-for-objects-monitor-in-java-why-use-this-word">What&#39;s the meaning of an object&#39;s monitor in Java? Why use this word?</a></li> <li><a href="https://wikis.oracle.com/display/HotSpotInternals/Synchronization" rel="nofollow noreferrer">https://wikis.oracle.com/display/HotSpotInternals/Synchronization</a></li> <li><a href="http://www.takipiblog.com/2013/08/15/5-things-you-didnt-know-about-synchronization-in-java-and-scala/" rel="nofollow noreferrer">http://www.takipiblog.com/2013/08/15/5-things-you-didnt-know-about-synchronization-in-java-and-scala/</a></li> <li><a href="https://stackoverflow.com/questions/7335950/semaphore-vs-monitors-whats-the-difference">Semaphore vs. Monitors - what&#39;s the difference?</a></li> <li><a href="http://en.wikipedia.org/wiki/Monitor_(synchronization)" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/Monitor_(synchronization)</a></li> <li><a href="http://en.wikipedia.org/wiki/Semaphore_(programming)" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/Semaphore_(programming)</a></li> <li><a href="http://www.programmerinterview.com/index.php/operating-systems/monitors-vs-semaphores/" rel="nofollow noreferrer">http://www.programmerinterview.com/index.php/operating-systems/monitors-vs-semaphores/</a></li> </ul>
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    1. POHow a Critical Section tagged by synchronized keyword is different from using a Semaphore?
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