multithreading - What's a monitor in Java? - Stack Overflow
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 recommend reading …
What's the meaning of an object's monitor in Java? Why use this word?
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 operate on the …
In Java, what is the difference between a monitor and a lock
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 condition to be …
"Monitor" in java threads - Stack Overflow
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 an object it …
java - Can anyone explain thread monitors and wait? - Stack Overflow
Aug 24, 2010 · 5 It needs to own the monitor, since the purpose of the wait () is to release the monitor and let other threads obtain the monitor to do processing of their own. The purpose of these methods …
java - Is it better to synchronize with semaphores or with monitors ...
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 has been …
How do I monitor the computer's CPU, memory, and disk usage in Java ...
With Java 5, JMX is built-in and they include a JMX console viewer with the JDK. You can use JMX to monitor manually, or invoke JMX commands from Java if you need this information in your own run …
How to monitor Java memory usage? - Stack Overflow
There are tools that let you monitor the VM's memory usage. The VM can expose memory statistics using JMX. You can also print GC statistics to see how the memory is performing over time. Invoking …
Watching a Directory for Changes in Java - Stack Overflow
52 I want to watch a directory for file changes. And I used WatchService in java.nio. I can successfully listen for file created event. But I can't listen for file modify event. I checked official java tutorial, but …
java - How to check heap usage of a running JVM from the command …
Can I check heap usage of a running JVM from the commandline, I mean the actual usage rather than the max amount allocated with Xmx. I need it to be commandline because I don't have access to a