Dec 16, 2014 · A monitor is an entity that possesses both a lock and a wait set. In Java, any Object can serve as a monitor. For a detailed explanation of how monitors work in Java, I …

Aug 24, 2010 · The condition variable is shared state, so it needs to be locked to avoid race conditions between threads that want to wait and threads that want to notify. Instead of …

Oct 1, 2019 · In the context of Java programming, the monitor is the intrinsic lock (where intrinsic means "built-in") on a Java object. For a thread to enter any synchronized instance method on …

Mar 24, 2012 · When reading articles about Java threads, I often notice the expression: "current thread is the owner of this object's monitor". I get the meaning: the thread gets the right to …

Apr 2, 2018 · Monitors Monitor is a synchronization construct that allows threads to have both mutual exclusion (using locks) and cooperation i.e. the ability to make threads wait for certain …

Mar 16, 2019 · I use visualVM connect a multi thread Java application, thread has 4 status, namely running, sleeping, wait, Monitor. What does this Monitoring status mean? What's the …

Feb 22, 2011 · The first Java releases where only provided of Threads. Since the Java Tiger (5.0), new classes have been introduced to handle concurrency. In particular, a complete package …

Jun 5, 2014 · What exactly is the monitor? Whole the class or both synchronized methods? How many queues of waiting threads are there? Just one for whole class or one for each sync …

Sep 9, 2010 · How can one get the screen resolution (width x height) in pixels? I am using a JFrame and the java swing methods.

We have a j2ee application running on Jboss and we want to monitor its memory usage. Currently we use the following code System.gc(); Runtime rt = Runtime.getRuntime(); long usedMB = ...