[Tools] - Java VisualVM

Java VisualVM help us monitor resource in Java Application as show performance.
To open Java VisualVM, following the step below:

1. Go to C:\Program Files\Java\<jdk version>\bin (Java JDK 64bit )or C:\Program Files (x86)\Java\<jdk version>\bin (Java JDK x86).
Note: This tool avaible from JDK 8 or older, JDK 9 is not avaible.
2. Find and open jvisualvm.exe
3. The Java VisualJM window display

Java VisualVM

+ From Application tab > Local: Show Java Applications are running.
Note: If you open Java VisualVM with current JDK version, there are only show the Java Applications that are running on this JDK.
+ Monitor: The Java VisualVM show the resources which the Java apps is used as memory, CPU, Network,...
+ Sampler tab (Useful): The Java VisualVM take a sampler about the resources of Java App. You can use take performance your app. You will be known exactly the java classes are taken performance.